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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 - JULY 31
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 62.8 °F 78.8 °F 54.5 °F 87.8 °F (2012) 48.2 °F (2012)
Dewpoint 55.4 °F 58.1 °F 53.6 °F 59 °F (2011) 46.4 °F (2012)
Humidity 80.2 % 97 % 49.3 % 31 % (2012)
Barometer 29.98 in 30.02 in 29.94 in 30.06 in (2015) 29.90 in (2014)
Wind Speed 6.7 mph 13.3 mph 16.1 mph (2015)
Wind Gust 19.2 mph 20.7 mph (2015)
Precipitation --- --- ()
Weather ElementAverage
Visibility8 mi
Wind DirectionW (272.7 °)
Weather ElementTotal
Heating Degree Days2.4 (Base 18.3)
Cooling Degree Days3 (Base 18.3)
Growing Degree Days16.7 (Base 10)
Total Years on Record: 4
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WIND DIRECTION BREAKOUT




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