Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-17
Record Highs
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1: 70°F (1984)
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2: 66°F (2006)
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3: 63°F (2021)
Record Lows
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1: 3°F (1989)
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2: 11°F (2010)
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3: 11°F (1972)
Lowest Highs
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1: 53°F (2021)
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2: 49°F (1984)
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3: 45°F (2012)
Highest Lows
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1: 21°F (1989)
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2: 24°F (1973)
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3: 28°F (1972)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 37°F
Average high is 45.6°F
Average low is 28.3°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 0.75" (2000)
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2: 0.58" (2015)
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3: 0.38" (1973)
Precipitation data from 1960 to 2022.