Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-04
Record Highs
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1: 75°F (1998)
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2: 74°F (1982)
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3: 73°F (1978)
Record Lows
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1: 10°F (1966)
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2: 12°F (2002)
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3: 12°F (2000)
Lowest Highs
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1: 60°F (1982)
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2: 51°F (1998)
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3: 48°F (2012)
Highest Lows
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1: 29°F (1966)
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2: 30°F (2002)
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3: 34°F (1989)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 39.9°F
Average high is 49.2°F
Average low is 30.6°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.18" (1993)
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2: 1.07" (1983)
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3: 0.75" (1990)
Precipitation data from 1960 to 2022.