Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-16
Record Highs
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1: 72°F (1971)
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2: 69°F (2021)
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3: 62°F (2011)
Record Lows
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1: 9°F (2016)
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2: 10°F (1989)
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3: 10°F (1961)
Lowest Highs
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1: 44°F (1971)
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2: 43°F (2021)
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3: 43°F (2012)
Highest Lows
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1: 24°F (2010)
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2: 24°F (1989)
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3: 27°F (2016)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 37.2°F
Average high is 45.9°F
Average low is 28.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.30" (2020)
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2: 0.99" (1974)
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3: 0.98" (1970)
Precipitation data from 1960 to 2022.