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 - DECEMBER 14

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	42.3 ^°F	54.3 ^°F	34.2 ^°F	57.2 ^°F (2013)	26.6 ^°F (2013)
Dewpoint	37.6 ^°F	42.8 ^°F	32.7 ^°F	48.2 ^°F (2011)	26.6 ^°F (2015)
Humidity	86 ^%	98.6 ^%	58.6 ^%		41 ^% (2012)
Barometer	30.16 ⁱⁿ	30.24 ⁱⁿ	30.09 ⁱⁿ	30.44 ⁱⁿ (2013)	29.84 ⁱⁿ (2012)
Wind Speed	4.3 ^mph	11.7 ^mph		16.1 ^mph (2015)
Wind Gust		23.1 ^mph		24.2 ^mph (2015)
Precipitation	0.15 ⁱⁿ			0.15 ⁱⁿ (2014)

Weather Element	Average
Visibility	8.4 ^mi
Wind Direction	SSE (150.2 °)

Weather Element	Total
Heating Degree Days	20.8 (Base 18.3)

Total Years on Record: 5

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT