Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 04-01
Record Highs
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1: 85°F (1978)
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2: 82°F (2016)
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3: 81°F (1986)
Record Lows
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1: 17°F (1969)
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2: 20°F (1987)
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3: 24°F (1995)
Lowest Highs
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1: 64°F (2016)
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2: 57°F (2006)
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3: 56°F (1998)
Highest Lows
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1: 41°F (1964)
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2: 47°F (2004)
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3: 49°F (2021)
Highest April temperature:
93°F on 04-06-2010.
Lowest April temperature:
17°F on 04-01-1969.
Average temperature is 49°F
Average high is 60.1°F
Average low is 37.9°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.64" (1973)
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2: 1.21" (1993)
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3: 1.11" (1996)
Precipitation data from 1960 to 2022.