Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-14
Record Highs
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1: 69°F (2015)
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2: 67°F (2001)
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3: 63°F (2006)
Record Lows
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1: 3°F (1989)
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2: 10°F (1961)
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3: 12°F (1976)
Lowest Highs
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1: 57°F (2015)
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2: 53°F (2001)
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3: 48°F (1984)
Highest Lows
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1: 25°F (2010)
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2: 25°F (2005)
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3: 31°F (1962)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 37.6°F
Average high is 46.4°F
Average low is 28.8°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.24" (2020)
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2: 0.96" (1999)
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3: 0.89" (2003)
Precipitation data from 1960 to 2022.