Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-01
Record Highs
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1: 75°F (2006)
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2: 72°F (2001)
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3: 70°F (2014)
Record Lows
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1: 4°F (1967)
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2: 8°F (1976)
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3: 19°F (2013)
Lowest Highs
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1: 55°F (1991)
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2: 48°F (2001)
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3: 45°F (1982)
Highest Lows
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1: 30°F (1964)
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2: 32°F (1967)
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3: 36°F (2002)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 40.7°F
Average high is 50.2°F
Average low is 31.2°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.02" (1974)
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2: 1.04" (1996)
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3: 0.74" (2010)
Precipitation data from 1960 to 2022.