The US average is 28 inches of snow per year. 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. 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. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Saint Helena, CA, US with The Weather Network. Find homes for sale and real estate in St. Helena, CA at realtor.com®. 44 F Charles M. Schulz-Sonoma County Airport Station | Report. Strongest 6 June, 2020 … Precipitation is rain, snow, sleet, or hail that falls to the ground. St. Helena, California detailed profile. The predominant average hourly wind direction in Saint Helena varies throughout the year. 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 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 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. The weather guide for St Helena, St Helena & Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Mt. 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. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. The earliest sunset is at 4:48 PM on December 7, and the latest sunset is 3 hours, 49 minutes later at 8:38 PM on June 27. 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 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. Current Weather St. Helena, CA Last Responded: 8:03pm CST, November 23, 2020. Lows in the mid 30s to upper 40s. 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. 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 chance of wet days in Saint Helena varies significantly throughout the year. Outlook. Average high temperature Av. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. The least rain falls around July 28, with an average total accumulation of 0.0 inches. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The data show a few interesting facts that do not accord with island folklore: Venetian Riviera South East Asia (Any) Ecuador Gran Canaria China Tunisia You will never forget a trip to the Grand Canyon. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. 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). 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 This page contains what we believe are the most scenic bike climbs in the California. The best time of year to visit St. Helena in United States of America. Average Weather during August in St. Helena (California), United States of America. St. Helena, California - Travel and vacation weather averages, current conditions and forecasts.
Monthly averages Saint Helena Longitude: -122.47, Latitude: 38.51 Average weather Saint Helena, CA - 94574. St. Helena, CA. The St Helena Independent is available for sale on St Helena at the following stores. The black line is the percentage chance that a given day is within the growing season. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. High Temp: 76 °F. Visibility 10 mi. The brightest day of the year is June 27, with an average of 8.5 kWh. The coldest month is December with an average maximum temperature of 12°C (53°F). 12 mph. 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. We rated the following activities from 1 (least suitabl The darkest day of the year is December 25, with an average of 2.0 kWh. The data show a few interesting facts that do not accord with island folklore: The coldest day of the year is December 31, with an average low of 36°F and high of 54°F. 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. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in July is 15.0°C (59°F). The average hourly temperature, color coded into bands. Based on weather reports collected during 2005–2015. 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. Change Location . The average hourly wind speed in Saint Helena experiences mild seasonal variation over the course of the year. High / Low. One still should be able to carry on ordinary outdoor activities. 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. Saint Helena is located in Northern California, a place which many people agree has some of the best weather in the entire world. 88.0 ºF: 86 ºF: Average low temperature Av. 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 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. high : Average high in ºF - Av.low : Average low in ºF - Av. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. 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. Within 50 miles contains large variations in elevation (4,764 feet). 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. The calmest day of the year is October 31, with an average hourly wind speed of 6.1 miles per hour. Frost Advisory in effect from Monday, 3:00 AM PST until Monday, 9:00 AM PST. Monthly average temperatures, rainfall, snow days & record high and low temperatures msn back to msn home weather records and averages powered by Microsoft News Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. 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. Excessive Heat Warning in effect until 9:00 PM PDT. The day of the year with the warmest water is September 21, with an average temperature of 57°F. Weather is too cold this time of year in St Helena to be enjoyable for warm weather travelers. Northwest winds 5 to 10 mph. 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. 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. 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. 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). × The amount of rain in July is extremely low with an average of 0mm (0.0in). Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. This section reports on the wide-area average surface temperature of that water. On average, there are 263 sunny days per year in St. Helena. 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. The thin dotted lines are the corresponding average perceived temperatures. Saint Helena Weather by month // weather averages Averages are for Saint Helena Island, which is 4 miles from Jamestown. Change Location. 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. St. Helena, Saint Helena - Travel and vacation weather averages, current conditions and forecasts. We assume no responsibility for any decisions made on the basis of the content presented on this site. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. precip. The calmer time of year lasts for 6.8 months, from August 21 to March 13.
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Mauritius St. Helena gets some kind of precipitation, on average, 71 days per year. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. A Large Storm To Track Across The U.S. A large storm system will track from the Southwest into the … UV Index 2 of 10. 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. July is the driest month. 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. Average Weather during July in St. Helena (California), United States of America. Saint Helena, CA Weather. 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. USA, CA. Shortwave radiation includes visible light and ultraviolet radiation. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. 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. Within 10 miles contains very significant variations in elevation (2,841 feet). MERRA-2 Modern-Era Retrospective Analysis. 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. 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. 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). High Temp: 86 °F. Average Weather during April in St. Helena (California), United States of America. Annual Weather Averages Near Jamestown. 4%. 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. Search and filter St. Helena homes by price, beds, baths and property type. St Helena rain forecast information. Mostly clear. On average, there are 263 sunny days per year in St. Helena. In this report, we use a base of 50°F and a cap of 86°F. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. The length of the day in Saint Helena varies significantly over the course of the year. 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 … 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. This has got to be one of the mildest climates whose averages are close to a typical "room temperature" much of the year. 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. low temp. 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. Find out more about our data sources . 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. The windiest day of the year is June 14, with an average hourly wind speed of 7.2 miles per hour. 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. Weather data is prone to errors, outages, and other defects. The average water temperature experiences some seasonal variation over the course of the year. 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. Sonora Pass West. To characterize how pleasant the weather is in Saint Helena throughout the year, we compute two travel scores. July is the driest month of the year. The hottest day of the year is July 15, with an average high of 90°F and low of 56°F. The most rain falls during the 31 days centered around February 16, with an average total accumulation of 5.3 inches. St Helena Weather Forecasts. Annual Weather Averages in Helena. Showing: All Year Climate & Weather Averages in Helena. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. We have listed our Top 10 California Most Scenic Bike Climbs in our summary at the bottom of this page. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. 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. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. 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. San Rafael, CA Weather. The figure below presents a compact representation of key lunar data for 2020. Based on weather reports collected during 2005–2015. 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. The average high during this season is between 64.3°F (17.9°C) and 57.1°F (13.9°C). Winds WNW at 10 to 20 mph. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Jamestown or Half Tree Hollow - will be higher and rainfall lower). The shaded overlays indicate night and civil twilight. The rainless period of the year lasts for 4.0 months, from May 27 to September 28. 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 percentage of time spent at various humidity comfort levels, categorized by dew point. Jamestown Weather February Averages, Saint Helena. Jamestown Weather April Averages, Saint Helena. Lower dew points feel drier and higher dew points feel more humid. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The hot season lasts for 4.0 months, from June 5 to October 5, with an average daily high temperature above 83°F. The area within 2 miles of Saint Helena is covered by cropland (33%), trees (25%), artificial surfaces (22%), and shrubs (19%), within 10 miles by shrubs (39%) and trees (31%), and within 50 miles by grassland (23%) and shrubs (23%). We … Averages are for Saint Helena Island, which is 4 miles from Jamestown.

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Point in Saint Helena, CA, including daily high/low, historical averages, current conditions and forecasts CA including... Zones for airports and weather stations near enough to contribute to our reliance on the wide-area average surface temperature 57°F... And high of 90°F and low temperatures St. Helena, CA Last Responded: 8:03pm,... Sea, or a mixture of the annual Total Petaluma Municipal Airport 18. ( SRTM ), with an average low in ºF - Pre at the of..., ending around October 22 and lasts for 4.0 months, from 24! 27°F or above 70°F sleet, or a mixture of the year is December,. From August 21 to March 13 Take a look at our website widgetsAvailable free averages in Georgetown ( Island...
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