Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 08-10
Record Highs
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1: 97°F (2009)
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2: 96°F (2021)
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3: 96°F (2001)
Record Lows
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1: 51°F (1999)
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2: 52°F (1972)
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3: 54°F (1989)
Lowest Highs
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1: 75°F (2016)
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2: 75°F (2001)
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3: 73°F (2010)
Highest Lows
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1: 74°F (1989)
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2: 75°F (2015)
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3: 75°F (1964)
Highest August temperature:
104°F on 08-20-1983.
Lowest August temperature:
38°F on 08-29-1982.
Average temperature is 76.4°F
Average high is 86.5°F
Average low is 66.3°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.38" (1984)
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2: 1.80" (1968)
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3: 0.96" (2022)
Precipitation data from 1960 to 2022.