ST. HELENA, CALIFORNIA

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

WEATHER

Daily Averages

Hourly Data

SELECT A DAY

PRINT THIS DATA

[ ← Previous Day ]
DAILY WEATHER AVERAGE - MAY 18

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	57.3 ^°F	68.7 ^°F	46 ^°F	75.2 ^°F (2012)	39.2 ^°F (2013)
Dewpoint	48 ^°F	51.8 ^°F	43.9 ^°F	55.4 ^°F (2014)	39.2 ^°F (2012)
Humidity	73.7 ^%	94 ^%	50.2 ^%		35 ^% (2012)
Barometer	30.00 ⁱⁿ	30.04 ⁱⁿ	29.96 ⁱⁿ	30.15 ⁱⁿ (2013)	29.76 ⁱⁿ (2011)
Wind Speed	8 ^mph	17.5 ^mph		26.5 ^mph (2014)
Wind Gust		24.6 ^mph		33.4 ^mph (2014)
Precipitation	---			--- ()

Weather Element	Average
Visibility	9.7 ^mi
Wind Direction	WSW (263.7 °)

Weather Element	Total
Heating Degree Days	7.6 (Base 18.3)
Growing Degree Days	7.4 (Base 10)

Total Years on Record: 5

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT