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United States of America

DULLES, VIRGINIA


Home > North America > United States > Virginia
Elevation: 290 feet     Latitude: 38 57N     Longitude: 077 27W

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DAILY WEATHER AVERAGE - SEPTEMBER 2
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 72.8 °F 83.9 °F 63 °F 93 °F (2010) 53.1 °F (2009)
Dewpoint 61.3 °F 64.6 °F 57.4 °F 73.9 °F (2003) 44.1 °F (1995)
Humidity 70.5 % 91.6 % 45.8 % 27 % (1995)
Barometer 30.03 in 30.08 in 29.97 in 30.31 in (2009) 29.66 in (1998)
Wind Speed 5.1 mph 12 mph 24.2 mph (2013)
Wind Gust 23.4 mph 35.7 mph (2013)
Precipitation 0.20 in 0.79 in (2006)
Weather ElementAverage
Visibility9.4 mi
Wind DirectionS (185.4 °)
Weather ElementTotal
Heating Degree Days2.5 (Base 18.3)
Cooling Degree Days9.5 (Base 18.3)
Growing Degree Days23.4 (Base 10)
Total Years on Record: 20
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT




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