Monthly averages Saint Helena Longitude: -122.47, Latitude: 38.51 Average weather Saint Helena, CA - 94574. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in August is 14.4°C (57.92°F). Mt. July is the hottest month for St. Helena with an average high temperature of 88.8°, which ranks it as about average compared to other places in California. × Change Location. The topography within 2 miles of Saint Helena contains very significant variations in elevation, with a maximum elevation change of 896 feet and an average elevation above sea level of 376 feet. Keep going a little further and join the line at Gott's Roadside for a burger and milkshake. High 93F. Sonora Pass West. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The time of year with warmer water lasts for 2.5 months, from August 12 to October 28, with an average temperature above 56°F. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. Excessive Heat Warning in effect until 9:00 PM PDT. Jamestown Weather February Averages, Saint Helena. The darkest day of the year is December 25, with an average of 2.0 kWh. Within 10 miles contains very significant variations in elevation (2,841 feet). Temperature 20 °C 68 °F; High Temperature 23 °C 73 °F; Low Temperature 17 °C 63 °F; Sunshine Hours 8 hours; Rainfall 50 mm; Rainfall Days 8 days (Weather station: Wide Awake Field Ascension Island, Saint Helena). : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. Santiago, Chile (5,986 miles away) and Shepparton, Australia (7,825 miles) are the far-away foreign places with temperatures most similar to Saint Helena (view comparison). We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). precipitation in.

This nation-wide website presents information about the weather and climate for almost every country around the world.Learn more. For each station, the records are corrected for the elevation difference between that station and Saint Helena according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Average high temperature Av. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The calmest day of the year is October 31, with an average hourly wind speed of 6.1 miles per hour. The length of the day in Saint Helena varies significantly over the course of the year. The hot season lasts for 4.0 months, from June 5 to October 5, with an average daily high temperature above 83°F. Showing: All Year Climate & Weather Averages in Jamestown. Showing: All Year Climate & Weather Averages in Helena. Saint Helena, CA Daily Charts. The best time of year to visit St. Helena in United States of America. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Average Weather during August in St. Helena (California), United States of America. In Saint Helena, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year. precip. 0.00 inch: 0.28 inch: Total snowfall Total snowfall - inch: 0 inch: Highest max temperature Highest max temp. Today Mostly Clear. The figure below presents a compact representation of key lunar data for 2020. Based on weather reports collected during 1985–2015. The cloudier part of the year begins around October 22 and lasts for 6.8 months, ending around May 15. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. The shaded overlays indicate night and civil twilight. This page contains what we believe are the most scenic bike climbs in the California. The number of hours during which the Sun is visible (black line). On average, it rains or snows a fair amount: 5 to 9 times per month. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in September is 13.0°C (55.4°F). View Today's Hourly Forecast. Average Weather during September in St. Helena (California), United States of America. Within 50 miles contains large variations in elevation (4,764 feet). Precipitation is rain, snow, sleet, or hail that falls to the ground. The wetter season lasts 5.3 months, from October 31 to April 8, with a greater than 16% chance of a given day being a wet day. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Saint Helena, CA 5-Day Forecast. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. And where? On average, there are 263 sunny days per year in St. Helena. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The estimated value at Saint Helena is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Saint Helena and a given station. St. Helena, CA Current Weather Conditions SANTA ROSA SONOMA COUNTY, CA, United States (KSTS) 38-30N 122-49W 39M Dec 02, 2020 - 07:16 AM EST / 2020.12.02 1216 UTC Monthly average temperatures, rainfall, snow days & record high and low temperatures The clearer part of the year in Saint Helena begins around May 15 and lasts for 5.2 months, ending around October 22. The solar day over the course of the year 2020. 88.0 ºF: 86 ºF: Average low temperature Av. San Rafael, CA Weather. See the current St. Helena, CA weather and a 5 day forecast. The data show a few interesting facts that do not accord with island folklore: The best time of year to visit St. Helena in United States of America. Check average temperature, sunshine & rainfall plus today's weather On January 10, the cloudiest day of the year, the sky is overcast or mostly cloudy 59% of the time, and clear, mostly clear, or partly cloudy 41% of the time. The windiest day of the year is June 14, with an average hourly wind speed of 7.2 miles per hour. Based on this score, the best time of year to visit Saint Helena for hot-weather activities is from mid June to late August, with a peak score in the third week of July. Based on weather reports collected during 2005–2015. Saint Helena experiences extreme seasonal variation in monthly rainfall. Mostly clear. Based on the tourism score, the best time of year to visit Saint Helena for warm-weather activities is from late June to mid September. Jamestown or Half Tree Hollow - will be higher and rainfall lower). Showing: All Year Climate & Weather Averages in Jamestown. The rainless period of the year lasts for 4.0 months, from May 27 to September 28. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Intervals of clouds and sunshine in the morning with more clouds for later in the day. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. St. Helena averages 0 inches of snow per year. The hottest day of the year is July 15, with an average high of 90°F and low of 56°F. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Bookmark and Share. We rated the following activities from 1 (least suitabl Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The thin dotted line is the corresponding average liquid-equivalent snowfall. The growing season in Saint Helena typically lasts for 8.8 months (267 days), from around February 29 to around November 22, rarely starting before January 25 or after April 4, and rarely ending before November 1 or after December 19. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in December is 3.6°C (38.48°F). The day of the year with the coolest water is May 11, with an average temperature of 52°F. The darker period of the year lasts for 3.6 months, from November 2 to February 20, with an average daily incident shortwave energy per square meter below 3.3 kWh. Over the course of the year, the temperature typically varies from 36°F to 90°F and is rarely below 27°F or above 100°F . The US average is 38 inches of rain per year. The black line is the percentage chance that a given day is within the growing season. Most people migrate to San Rafael for the desirable weather thanks to its Mediterranean climate. Saint Helena Weather by month // weather averages 72°. Based on weather reports collected during 2005–2015. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Gough Island, the summers are cool and mostly cloudy; the winters are long, cold, wet, and partly cloudy; and it is extremely windy year round. Over the course of the year, the temperature typically varies from 46°F to 64°F and is rarely below 40°F or above 70°F.
Costa Almeria

Mauritius St. Helena gets some kind of precipitation, on average, 71 days per year. Annual Weather Averages Near Jamestown. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in July is 15.0°C (59°F). See the current St. Helena, CA weather and a 5 day forecast. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. In 2020, the shortest day is December 21, with 9 hours, 29 minutes of daylight; the longest day is June 20, with 14 hours, 51 minutes of daylight. Temperature 20 °C 68 °F; High Temperature 23 °C 73 °F; Low Temperature 17 °C 63 °F; Sunshine Hours 5 hours; Rainfall 60 mm; Rainfall Days 10 days Averages are for Saint Helena Island, which is 4 miles from Jamestown. Figures, provided by the St Helena Meteorological Station, are monthly averages taken at the station over the years 2001-2018 (North-west island temperatures - e.g. Mount Saint Helena Weather (Days 6-9): Mild with light rain (total 7mm) on Sun morning Becoming colder with a light covering of snow, mostly falling on Tue afternoonFreeze-thaw conditions (max 8°C on Sun morning, min -2°C on Tue morning)Winds decreasing (near gales from the WSW on Sun morning, light winds from the N by Tue night). St. Helena, Saint Helena - Travel and vacation weather averages, current conditions and forecasts. Average Weather in Jamestown St. Helena In Jamestown, the summers are comfortable, muggy, arid, and partly cloudy; the winters are long, cool, dry, and mostly cloudy; and it is windy year round. The calmer time of year lasts for 6.8 months, from August 21 to March 13. The US average is 28 inches of snow per year. Jamestown Weather April Averages, Saint Helena. Find Out More. Find out more about our data sources . USA, CA #10. The St Helena Independent is available for sale on St Helena at the following stores. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in April is 8.0°C (46.4°F). We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The smallest chance of a wet day is 0% on July 24. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. At an average temperature of 21.7 °C | 71.1 °F, July is the hottest month of the year. A Large Storm To Track Across The U.S. A large storm system will track from the Southwest into the … Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The time of year with cooler water lasts for 3.1 months, from March 23 to June 27, with an average temperature below 53°F. The chance of a wet day peaks at 33% on February 20. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The perceived humidity level in Saint Helena, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout. These times of year are fairly slow with tourists. 52.1 ºF: 52 ºF: Total precipitation Total precip. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. This report illustrates the typical weather in Saint Helena, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The amount of rain in December is high with an average of 82mm (3.2in). Current Weather St. Helena, CA Last Responded: 8:03pm CST, November 23, 2020. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in September is 13.0°C (55.4°F). St. Helena, California gets 37 inches of rain, on average, per year. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. St. Helena gets some kind of precipitation, on average, 71 days per year. high temp. Figures in brackets [] are percentages of the annual total.. UV Index 2 of 10. St. Helena, CA Weather. The highest monthly average temperature in St. Helena for July is 65 degrees; The lowest monthly average temperature in St. Helena for December is 46 degrees; The most monthly precipitation in St. Helena occurs in December with 6.9 inches; The air quality index in St. Helena … Climate (2011–Present) Petaluma Municipal Airport (18 miles) Take a look at our website widgetsAvailable free! NOAA National Weather Service National Weather Service. The most rain falls during the 31 days centered around February 16, with an average total accumulation of 5.3 inches. 59°.

Grand Teton National Park dominates the landscape with its amazing rough, snow-capped peaks that suddenly rise out of the heavens. Weather data is prone to errors, outages, and other defects. The summers in San Rafael are long and comfortable with an average high temperature of 76°F and a low temperature of 54°F. See more current weather × Annual Weather Averages in Georgetown (Ascension Island) Based on weather reports collected during 1985–2015. Over the course of the year, the temperature typically varies from 63°F to 73°F and is rarely below 62°F or above 74°F . The average maximum temperature lies around 21.7°C (71.06°F). Figures, provided by the St Helena Meteorological Station, are monthly averages taken at the station over the years 2001-2018 (North-west island temperatures - e.g. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. April is a dry month with an average of 29mm (1.1in) rain. Jamestown or Half Tree Hollow - will be higher and rainfall lower). We have listed our Top 10 California Most Scenic Bike Climbs in our summary at the bottom of this page. St Helena, Warwickshire, United Kingdom - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at St Helena, United Kingdom Based on growing degree days alone, the first spring blooms in Saint Helena should appear around February 20, only rarely appearing before February 7 or after March 7. The coldest day of the year is December 31, with an average low of 36°F and high of 54°F. USA, CA #9. 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The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Daylight saving time (DST) is observed in Saint Helena during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. Based on this score, the best time of year to visit Saint Helena for general outdoor tourist activities is from late June to mid September, with a peak score in the last week of July. Humidity 50%. The shaded overlays indicate night and civil twilight. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The average hourly wind speed in Saint Helena experiences mild seasonal variation over the course of the year. St. Helena has dry periods in May, June, July, August and September. The data show a few interesting facts that do not accord with island folklore: Thank you for reporting this station. Saint Helena is located near a large body of water (e.g., ocean, sea, or large lake). St Helena rain forecast information. The cool season lasts for 2.9 months, from November 24 to February 20, with an average daily high temperature below 61°F. Change Location . St. Helena, CA. The US average is 205 sunny days. The wind is most often from the west for 7.6 months, from February 29 to October 17, with a peak percentage of 72% on July 30. The US average is 205 sunny days. Low: 41°F. The brighter period of the year lasts for 3.5 months, from May 8 to August 24, with an average daily incident shortwave energy per square meter above 7.2 kWh. : Days with precipitation - Hours sun. The City of St. Helena is seeking volunteers to serve on various boards, committees and co 12/08/2020 | COVID-19 Testing and Case Data Report for Tuesday, December 8, 2020 View all News The least rain falls around July 28, with an average total accumulation of 0.0 inches. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. To characterize how pleasant the weather is in Saint Helena throughout the year, we compute two travel scores. Once you get to St. Helena... Tour Hall Winery; its modern art collection includes a 35-foot stainless steel bunny at the winery's entrance (you can't miss it! ).Down the road, the laidback vibe at Clif Family Tasting Room beckons. July is the driest month of the year. The chance of wet days in Saint Helena varies significantly throughout the year. The percentage of time spent in various temperature bands. It is 721% greater than the overall U.S. average. If you are having trouble, please contact Customer Service at [email protected], or by phone at 1-800-665-1362.Our business hours are 8:00am to 4:00pm CST. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. Weather is too cold this time of year in St Helena to be enjoyable for warm weather travelers. Report Station. La Gomera

Southern Asia (Any), Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers. The average high during this season is between 64.3°F (17.9°C) and 57.1°F (13.9°C). The earliest sunrise is at 5:45 AM on June 13, and the latest sunrise is 1 hour, 51 minutes later at 7:36 AM on October 31. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. High Temp: 76 °F. We assume no responsibility for any decisions made on the basis of the content presented on this site. See the current St. Helena, CA weather and a 5 day forecast. The average water temperature experiences some seasonal variation over the course of the year. High Temp: 86 °F. high : Average high in ºF - Av.low : Average low in ºF - Av. In this report, we use a base of 50°F and a cap of 86°F. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. Search and filter St. Helena homes by price, beds, baths and property type. This month should be avoided if you are not a big fan of rain. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. Shortwave radiation includes visible light and ultraviolet radiation. September is a dry month with an average of 7mm (0.3in) rain. For the purposes of this report, the geographical coordinates of Saint Helena are 38.505 deg latitude, -122.470 deg longitude, and 249 ft elevation. Click on each chart for more information. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. : Average precipitation in inch - Days precip. The average hourly temperature, color coded into bands. Average precipitation in : Av. The rainy period of the year lasts for 8.0 months, from September 28 to May 27, with a sliding 31-day rainfall of at least 0.5 inches. The amount of rain in July is extremely low with an average of 0mm (0.0in). 46°. Saint Helena average temperature. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. Average High Average Low Record High Record Low Average Precipitation. The drier season lasts 6.7 months, from April 8 to October 31. The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. St. Helena, California detailed profile. St. Helena, CA climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's. Average Weather during December in St. Helena (California), United States of America. Unsettled in the Northwest; Above Normal Temperatures for Much of the Country. See the current St. Helena, NC weather and a 5 day forecast. The windier part of the year lasts for 5.2 months, from March 13 to August 21, with average wind speeds of more than 6.7 miles per hour. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Saint Helena, CA Weather. Geysers Road South. Saint Helena, CA Traffic. 44 F Charles M. Schulz-Sonoma County Airport Station | Report. St Helena Weather Forecasts. Average Weather during July in St. Helena (California), United States of America. W 6 mph. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. MERRA-2 Modern-Era Retrospective Analysis. support@__remove_this_part__weatherspark.com. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ... © US Climate Data 2020 | version 3.0 | by Your Weather Service |, Past weather September 2019 incomplete - Missing data, Average precipitation in : Av. The average maximum temperature lies around 30.7°C (87.26°F). Search. 99.0 ºF -Lowest max temperature Lowest max temp. July is the driest month. 71.1 ºF -Highest min temperature Highest min temp. One still should be able to carry on ordinary outdoor activities. St Helena Weather Forecasts. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. low temp. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. Over the course of the year, the temperature typically varies from 36°F to 90°F and is rarely below 27°F or above 100°F. 62.1 ºF St. Helena, California - Travel and vacation weather averages, current conditions and forecasts. High 59F. Northwest winds 5 to 10 mph. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 33% on February 20. At 7.8 °C | 46.0 °F on average, January is the coldest month of the year. Visibility 10 mi. St. Helena averages 0 inches of snow per year. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. The coldest month is December with an average maximum temperature of 12°C (53°F). All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . The warmest month is July with an average maximum temperature of 33°C (92°F). Mostly clear. In Saint Helena, the summers are long, hot, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. Frost Advisory in effect from Monday, 3:00 AM PST until Monday, 9:00 AM PST. Chance of rainfall chart with likely precipitation and statistics in live rain gauge St Helena Rainfall Forecast, CA 94574 - WillyWeather And where? On average, there are 263 sunny days per year in St. Helena. Strongest 6 June, 2020 … Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. A low pressure system will bring widespread gusty winds, rain, and mountain snow to the Pacific Northwest and northern Rockies, before spreading into the Plains and Upper Mississippi Valley by Wednesday. St. Helena (/ h ə ˈ l iː n ə / hə-LEE-nə; Wappo: Anakotanoma, "Bull Snake Village") is a city in Napa County, in California's Wine Country, part of the North Bay region of the San Francisco Bay Area.The population was 5,814 at the 2010 census.. Average Weather in Saint Helena California, United States In Saint Helena, the summers are long, hot, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. Av. Meanwhile, San Rafael’s winters are cold and short with highs of 59°F and lows of 42°F. St Helena & Islands weather averages for holidays in 2021/2022. Find homes for sale and real estate in St. Helena, CA at realtor.com®. Average Weather during April in St. Helena (California), United States of America. The stations contributing to this reconstruction are: Sonoma County Airport (35%, 30 kilometers, west); Napa County Airport (25%, 37 kilometers, southeast); Gnoss Field (22%, 40 kilometers, south); and Nut Tree Airport (18%, 47 kilometers, east). Winds WNW at 10 to 20 mph. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. 12 mph. The US average is 28 inches of snow per year. Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. January is the most wet month. St. Helena. Outlook. Time zones for airports and weather stations are provided by AskGeo.com . Monthly average temperatures, rainfall, snow days & record high and low temperatures msn back to msn home weather records and averages powered by Microsoft News Venetian Riviera South East Asia (Any) Ecuador Gran Canaria China Tunisia You will never forget a trip to the Grand Canyon. St. Helena, CA Weather History star_ratehome. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. High / Low.
Monthly averages Saint Helena Longitude: -122.47, Latitude: 38.51 Average weather Saint Helena, CA - 94574. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in August is 14.4°C (57.92°F). Mt. July is the hottest month for St. Helena with an average high temperature of 88.8°, which ranks it as about average compared to other places in California. × Change Location. The topography within 2 miles of Saint Helena contains very significant variations in elevation, with a maximum elevation change of 896 feet and an average elevation above sea level of 376 feet. Keep going a little further and join the line at Gott's Roadside for a burger and milkshake. High 93F. Sonora Pass West. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The time of year with warmer water lasts for 2.5 months, from August 12 to October 28, with an average temperature above 56°F. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. Excessive Heat Warning in effect until 9:00 PM PDT. Jamestown Weather February Averages, Saint Helena. The darkest day of the year is December 25, with an average of 2.0 kWh. Within 10 miles contains very significant variations in elevation (2,841 feet). Temperature 20 °C 68 °F; High Temperature 23 °C 73 °F; Low Temperature 17 °C 63 °F; Sunshine Hours 8 hours; Rainfall 50 mm; Rainfall Days 8 days (Weather station: Wide Awake Field Ascension Island, Saint Helena). : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. Santiago, Chile (5,986 miles away) and Shepparton, Australia (7,825 miles) are the far-away foreign places with temperatures most similar to Saint Helena (view comparison). We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). precipitation in.

This nation-wide website presents information about the weather and climate for almost every country around the world.Learn more. For each station, the records are corrected for the elevation difference between that station and Saint Helena according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Average high temperature Av. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The calmest day of the year is October 31, with an average hourly wind speed of 6.1 miles per hour. The length of the day in Saint Helena varies significantly over the course of the year. The hot season lasts for 4.0 months, from June 5 to October 5, with an average daily high temperature above 83°F. Showing: All Year Climate & Weather Averages in Jamestown. Showing: All Year Climate & Weather Averages in Helena. Saint Helena, CA Daily Charts. The best time of year to visit St. Helena in United States of America. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Average Weather during August in St. Helena (California), United States of America. In Saint Helena, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year. precip. 0.00 inch: 0.28 inch: Total snowfall Total snowfall - inch: 0 inch: Highest max temperature Highest max temp. Today Mostly Clear. The figure below presents a compact representation of key lunar data for 2020. Based on weather reports collected during 1985–2015. The cloudier part of the year begins around October 22 and lasts for 6.8 months, ending around May 15. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. The shaded overlays indicate night and civil twilight. This page contains what we believe are the most scenic bike climbs in the California. The number of hours during which the Sun is visible (black line). On average, it rains or snows a fair amount: 5 to 9 times per month. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in September is 13.0°C (55.4°F). View Today's Hourly Forecast. Average Weather during September in St. Helena (California), United States of America. Within 50 miles contains large variations in elevation (4,764 feet). Precipitation is rain, snow, sleet, or hail that falls to the ground. The wetter season lasts 5.3 months, from October 31 to April 8, with a greater than 16% chance of a given day being a wet day. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Saint Helena, CA 5-Day Forecast. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. And where? On average, there are 263 sunny days per year in St. Helena. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The estimated value at Saint Helena is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Saint Helena and a given station. St. Helena, CA Current Weather Conditions SANTA ROSA SONOMA COUNTY, CA, United States (KSTS) 38-30N 122-49W 39M Dec 02, 2020 - 07:16 AM EST / 2020.12.02 1216 UTC Monthly average temperatures, rainfall, snow days & record high and low temperatures The clearer part of the year in Saint Helena begins around May 15 and lasts for 5.2 months, ending around October 22. The solar day over the course of the year 2020. 88.0 ºF: 86 ºF: Average low temperature Av. San Rafael, CA Weather. See the current St. Helena, CA weather and a 5 day forecast. The data show a few interesting facts that do not accord with island folklore: The best time of year to visit St. Helena in United States of America. Check average temperature, sunshine & rainfall plus today's weather On January 10, the cloudiest day of the year, the sky is overcast or mostly cloudy 59% of the time, and clear, mostly clear, or partly cloudy 41% of the time. The windiest day of the year is June 14, with an average hourly wind speed of 7.2 miles per hour. Based on this score, the best time of year to visit Saint Helena for hot-weather activities is from mid June to late August, with a peak score in the third week of July. Based on weather reports collected during 2005–2015. Saint Helena experiences extreme seasonal variation in monthly rainfall. Mostly clear. Based on the tourism score, the best time of year to visit Saint Helena for warm-weather activities is from late June to mid September. Jamestown or Half Tree Hollow - will be higher and rainfall lower). Showing: All Year Climate & Weather Averages in Jamestown. The rainless period of the year lasts for 4.0 months, from May 27 to September 28. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Intervals of clouds and sunshine in the morning with more clouds for later in the day. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. St. Helena averages 0 inches of snow per year. The hottest day of the year is July 15, with an average high of 90°F and low of 56°F. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Bookmark and Share. We rated the following activities from 1 (least suitabl Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The thin dotted line is the corresponding average liquid-equivalent snowfall. The growing season in Saint Helena typically lasts for 8.8 months (267 days), from around February 29 to around November 22, rarely starting before January 25 or after April 4, and rarely ending before November 1 or after December 19. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in December is 3.6°C (38.48°F). The day of the year with the coolest water is May 11, with an average temperature of 52°F. The darker period of the year lasts for 3.6 months, from November 2 to February 20, with an average daily incident shortwave energy per square meter below 3.3 kWh. Over the course of the year, the temperature typically varies from 36°F to 90°F and is rarely below 27°F or above 100°F . The US average is 38 inches of rain per year. The black line is the percentage chance that a given day is within the growing season. Most people migrate to San Rafael for the desirable weather thanks to its Mediterranean climate. Saint Helena Weather by month // weather averages 72°. Based on weather reports collected during 2005–2015. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Gough Island, the summers are cool and mostly cloudy; the winters are long, cold, wet, and partly cloudy; and it is extremely windy year round. Over the course of the year, the temperature typically varies from 46°F to 64°F and is rarely below 40°F or above 70°F.
Costa Almeria

Mauritius St. Helena gets some kind of precipitation, on average, 71 days per year. Annual Weather Averages Near Jamestown. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in July is 15.0°C (59°F). See the current St. Helena, CA weather and a 5 day forecast. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. In 2020, the shortest day is December 21, with 9 hours, 29 minutes of daylight; the longest day is June 20, with 14 hours, 51 minutes of daylight. Temperature 20 °C 68 °F; High Temperature 23 °C 73 °F; Low Temperature 17 °C 63 °F; Sunshine Hours 5 hours; Rainfall 60 mm; Rainfall Days 10 days Averages are for Saint Helena Island, which is 4 miles from Jamestown. Figures, provided by the St Helena Meteorological Station, are monthly averages taken at the station over the years 2001-2018 (North-west island temperatures - e.g. Mount Saint Helena Weather (Days 6-9): Mild with light rain (total 7mm) on Sun morning Becoming colder with a light covering of snow, mostly falling on Tue afternoonFreeze-thaw conditions (max 8°C on Sun morning, min -2°C on Tue morning)Winds decreasing (near gales from the WSW on Sun morning, light winds from the N by Tue night). St. Helena, Saint Helena - Travel and vacation weather averages, current conditions and forecasts. Average Weather in Jamestown St. Helena In Jamestown, the summers are comfortable, muggy, arid, and partly cloudy; the winters are long, cool, dry, and mostly cloudy; and it is windy year round. The calmer time of year lasts for 6.8 months, from August 21 to March 13. The US average is 28 inches of snow per year. Jamestown Weather April Averages, Saint Helena. Find Out More. Find out more about our data sources . USA, CA #10. The St Helena Independent is available for sale on St Helena at the following stores. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in April is 8.0°C (46.4°F). We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The smallest chance of a wet day is 0% on July 24. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. At an average temperature of 21.7 °C | 71.1 °F, July is the hottest month of the year. A Large Storm To Track Across The U.S. A large storm system will track from the Southwest into the … Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The time of year with cooler water lasts for 3.1 months, from March 23 to June 27, with an average temperature below 53°F. The chance of a wet day peaks at 33% on February 20. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The perceived humidity level in Saint Helena, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout. These times of year are fairly slow with tourists. 52.1 ºF: 52 ºF: Total precipitation Total precip. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. This report illustrates the typical weather in Saint Helena, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The amount of rain in December is high with an average of 82mm (3.2in). Current Weather St. Helena, CA Last Responded: 8:03pm CST, November 23, 2020. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in September is 13.0°C (55.4°F). St. Helena, California gets 37 inches of rain, on average, per year. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. St. Helena gets some kind of precipitation, on average, 71 days per year. high temp. Figures in brackets [] are percentages of the annual total.. UV Index 2 of 10. St. Helena, CA Weather. The highest monthly average temperature in St. Helena for July is 65 degrees; The lowest monthly average temperature in St. Helena for December is 46 degrees; The most monthly precipitation in St. Helena occurs in December with 6.9 inches; The air quality index in St. Helena … Climate (2011–Present) Petaluma Municipal Airport (18 miles) Take a look at our website widgetsAvailable free! NOAA National Weather Service National Weather Service. The most rain falls during the 31 days centered around February 16, with an average total accumulation of 5.3 inches. 59°.

Grand Teton National Park dominates the landscape with its amazing rough, snow-capped peaks that suddenly rise out of the heavens. Weather data is prone to errors, outages, and other defects. The summers in San Rafael are long and comfortable with an average high temperature of 76°F and a low temperature of 54°F. See more current weather × Annual Weather Averages in Georgetown (Ascension Island) Based on weather reports collected during 1985–2015. Over the course of the year, the temperature typically varies from 63°F to 73°F and is rarely below 62°F or above 74°F . The average maximum temperature lies around 21.7°C (71.06°F). Figures, provided by the St Helena Meteorological Station, are monthly averages taken at the station over the years 2001-2018 (North-west island temperatures - e.g. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. April is a dry month with an average of 29mm (1.1in) rain. Jamestown or Half Tree Hollow - will be higher and rainfall lower). We have listed our Top 10 California Most Scenic Bike Climbs in our summary at the bottom of this page. St Helena, Warwickshire, United Kingdom - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at St Helena, United Kingdom Based on growing degree days alone, the first spring blooms in Saint Helena should appear around February 20, only rarely appearing before February 7 or after March 7. The coldest day of the year is December 31, with an average low of 36°F and high of 54°F. USA, CA #9. 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