Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-29
Record Highs
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1: 78°F (1984)
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2: 67°F (1982)
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3: 62°F (1996)
Record Lows
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1: 7°F (1977)
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2: 9°F (1963)
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3: 9°F (1961)
Lowest Highs
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1: 50°F (1984)
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2: 46°F (2021)
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3: 44°F (1996)
Highest Lows
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1: 23°F (1993)
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2: 26°F (1961)
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3: 29°F (2000)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 34.9°F
Average high is 43.2°F
Average low is 26.7°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.27" (2013)
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2: 0.51" (1991)
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3: 0.45" (2019)
Precipitation data from 1960 to 2022.