Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 08-12
Record Highs
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1: 100°F (2021)
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2: 98°F (2002)
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3: 96°F (2016)
Record Lows
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1: 51°F (1962)
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2: 52°F (1968)
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3: 53°F (1965)
Lowest Highs
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1: 77°F (2016)
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2: 75°F (1988)
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3: 73°F (2009)
Highest Lows
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1: 64°F (1979)
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2: 69°F (1996)
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3: 76°F (1986)
Highest August temperature:
104°F on 08-20-1983.
Lowest August temperature:
38°F on 08-29-1982.
Average temperature is 76.3°F
Average high is 86.4°F
Average low is 66.2°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.07" (1996)
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2: 1.66" (2010)
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3: 1.21" (1979)
Precipitation data from 1960 to 2022.