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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 - APRIL 19
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 58.5 °F 71.4 °F 46.4 °F 90 °F (2004) 28 °F (2001)
Dewpoint 43.5 °F 49.2 °F 37.2 °F 66.2 °F (2013) 7 °F (1995)
Humidity 62.7 % 89.3 % 37.5 % 17 % (1995)
Barometer 30.00 in 30.09 in 29.92 in 30.41 in (2003) 29.56 in (1997)
Wind Speed 7.3 mph 16.1 mph 32.2 mph (2002)
Wind Gust 25.6 mph 43.7 mph (2002)
Precipitation 0.63 in 2.64 in (2013)
Weather ElementAverage
Visibility9.4 mi
Wind DirectionSSW (188.8 °)
Weather ElementTotal
Heating Degree Days10.1 (Base 18.3)
Cooling Degree Days6.4 (Base 18.3)
Growing Degree Days10.9 (Base 10)
Total Years on Record: 21
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