Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 01-21
Record Highs
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1: 63°F (2018)
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2: 62°F (2006)
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3: 59°F (1990)
Record Lows
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1: -16°F (1984)
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2: -7°F (1994)
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3: -6°F (1985)
Lowest Highs
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1: 46°F (2017)
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2: 40°F (1972)
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3: 38°F (2006)
Highest Lows
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1: 15°F (1984)
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2: 17°F (1970)
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3: 18°F (1985)
Highest January temperature:
75°F on 01-29-1975.
Lowest January temperature:
-18°F on 01-22-1984.
Average temperature is 33°F
Average high is 41.6°F
Average low is 24.3°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 0.94" (1974)
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2: 0.76" (1969)
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3: 0.67" (1979)
Precipitation data from 1960 to 2022.