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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 14
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 59.6 °F 73.4 °F 47.3 °F 89.6 °F (2014) 46.4 °F (2013)
Dewpoint 47.9 °F 52.7 °F 44.2 °F 57.2 °F (2014) 39.2 °F (2014)
Humidity 70 % 98.3 % 42 % 23 % (2012)
Barometer 30.01 in 30.05 in 29.97 in 30.15 in (2014) 29.81 in (2015)
Wind Speed 4.6 mph 13.5 mph 13.8 mph (2012)
Wind Gust 18.7 mph 20.7 mph (2014)
Precipitation 0.64 in 0.64 in (2015)
Weather ElementAverage
Visibility9.5 mi
Wind DirectionSSW (187 °)
Weather ElementTotal
Heating Degree Days7.2 (Base 18.3)
Cooling Degree Days3 (Base 18.3)
Growing Degree Days10.4 (Base 10)
Total Years on Record: 4
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WIND DIRECTION BREAKOUT




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