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United States of America

ST. HELENA, CALIFORNIA


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Elevation: 170 feet     Latitude: 38 26N     Longitude: 122 25W

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DAILY WEATHER AVERAGE - JUNE 30
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 67.3 °F 87.2 °F 52.4 °F 95 °F (2015) 50 °F (2014)
Dewpoint 54.6 °F 59.6 °F 50.6 °F 60.8 °F (2012) 48.2 °F (2015)
Humidity 69.7 % 100 % 39.7 % 28 % (2012)
Barometer 29.91 in 29.95 in 29.87 in 30.05 in (2012) 29.79 in (2014)
Wind Speed 6.2 mph 13.4 mph 16.1 mph (2012)
Wind Gust 20.3 mph 24.2 mph (2012)
Precipitation --- --- ()
Weather ElementAverage
Visibility8.9 mi
Wind DirectionSSW (219.3 °)
Weather ElementTotal
Heating Degree Days1.5 (Base 18.3)
Cooling Degree Days8 (Base 18.3)
Growing Degree Days19.8 (Base 10)
Total Years on Record: 3
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WIND DIRECTION BREAKOUT




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