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United States of America

ST. HELENA, CALIFORNIA


Home > North America > United States > California
Elevation: 170 feet     Latitude: 38 26N     Longitude: 122 25W

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DAILY WEATHER AVERAGE - MAY 26
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 56.7 °F 68.4 °F 46.4 °F 80.6 °F (2014) 41 °F (2012)
Dewpoint 48.5 °F 52.2 °F 44.6 °F 57.2 °F (2014) 41 °F (2014)
Humidity 76.3 % 97.4 % 52.2 % 42 % (2012)
Barometer 30.04 in 30.10 in 30.00 in 30.20 in (2011) 29.85 in (2012)
Wind Speed 7.4 mph 16.4 mph 18.4 mph (2011)
Wind Gust 23.5 mph 28.8 mph (2011)
Precipitation --- --- ()
Weather ElementAverage
Visibility9.5 mi
Wind DirectionSW (226.7 °)
Weather ElementTotal
Heating Degree Days9.6 (Base 18.3)
Cooling Degree Days0.3 (Base 18.3)
Growing Degree Days7.4 (Base 10)
Total Years on Record: 5
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