Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 08-20
Record Highs
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1: 104°F (1983)
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2: 97°F (1962)
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3: 96°F (2009)
Record Lows
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1: 47°F (1998)
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2: 47°F (1976)
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3: 47°F (1964)
Lowest Highs
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1: 74°F (2002)
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2: 72°F (2009)
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3: 72°F (2006)
Highest Lows
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1: 70°F (1997)
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2: 71°F (2007)
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3: 72°F (1990)
Highest August temperature:
104°F on 08-20-1983.
Lowest August temperature:
38°F on 08-29-1982.
Average temperature is 75.5°F
Average high is 85.8°F
Average low is 65.2°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.17" (1963)
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2: 1.55" (1997)
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3: 1.48" (2019)
Precipitation data from 1960 to 2022.