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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 - OCTOBER 14
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 58.9 °F 69.1 °F 48.5 °F 82.9 °F (2008) 33.1 °F (2006)
Dewpoint 49.1 °F 55.1 °F 42.5 °F 71.1 °F (1995) 19.9 °F (2000)
Humidity 73.6 % 95.5 % 47.5 % 19 % (2000)
Barometer 29.98 in 30.10 in 29.89 in 30.38 in (2002) 29.39 in (2003)
Wind Speed 7 mph 15.2 mph 20.7 mph (1997)
Wind Gust 24.8 mph 33.4 mph (2003)
Precipitation 1.63 in 5.53 in (2003)
Weather ElementAverage
Visibility8.7 mi
Wind DirectionSSW (218.6 °)
Weather ElementTotal
Heating Degree Days8.6 (Base 18.3)
Cooling Degree Days3.3 (Base 18.3)
Growing Degree Days11.5 (Base 10)
Total Years on Record: 20
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