Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-30
Record Highs
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1: 67°F (1990)
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2: 66°F (2022)
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3: 66°F (1971)
Record Lows
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1: 4°F (1963)
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2: 5°F (1983)
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3: 6°F (1976)
Lowest Highs
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1: 48°F (2021)
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2: 47°F (1990)
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3: 45°F (2019)
Highest Lows
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1: 20°F (1983)
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2: 25°F (1963)
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3: 26°F (1993)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 34.8°F
Average high is 43°F
Average low is 26.6°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 0.87" (1969)
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2: 0.25" (1990)
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3: 0.18" (2019)
Precipitation data from 1960 to 2022.