Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-24
Record Highs
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1: 99°F (2010)
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2: 97°F (2016)
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3: 97°F (1987)
Record Lows
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1: 48°F (1985)
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2: 55°F (1993)
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3: 58°F (2015)
Lowest Highs
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1: 78°F (2010)
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2: 77°F (2011)
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3: 74°F (1987)
Highest Lows
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1: 68°F (1997)
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2: 71°F (2000)
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3: 74°F (1981)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77.4°F
Average high is 87.2°F
Average low is 67.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 0.86" (2020)
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2: 0.78" (1992)
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3: 0.77" (2018)
Precipitation data from 1960 to 2022.