DULLES, VIRGINIA

Home > North America > United States > Virginia
Elevation: 88 meters Latitude: 38 57N Longitude: 077 27W

WEATHER

Daily Averages

Hourly Data

SELECT A DAY

PRINT THIS DATA

[ ← Previous Day ]
DAILY WEATHER AVERAGE - 21 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	4.5 ^°C	9.6 ^°C	-1.1 ^°C	20.6 ^°C (1997)	-11.7 ^°C (2015)
Dewpoint	-2.2 ^°C	2.3 ^°C	-6.2 ^°C	14.4 ^°C (1997)	-22.8 ^°C (2009)
Humidity	65.3 ^%	85.1 ^%	45.2 ^%		20 ^% (2009)
Barometer	1016.9 ^hPa	1021.7 ^hPa	1012.5 ^hPa	1033.5 ^hPa (2000)	998.3 ^hPa (2004)
Wind Speed	12.9 ^km/h	25.7 ^km/h		44.4 ^km/h (2014)
Wind Gust		44.4 ^km/h		55.5 ^km/h (2004)
Precipitation	12.45 ^mm			28.7 ^mm (2015)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SW (223.6 °)

Weather Element	Total
Heating Degree Days	14.1 (Base 18.3)
Growing Degree Days	1.6 (Base 10)

Total Years on Record: 22

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT