Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-18
Record Highs
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1: 101°F (2012)
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2: 100°F (1986)
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3: 100°F (1969)
Record Lows
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1: 51°F (1985)
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2: 52°F (1976)
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3: 56°F (1970)
Lowest Highs
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1: 74°F (2019)
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2: 74°F (2005)
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3: 74°F (1969)
Highest Lows
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1: 77°F (2001)
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2: 78°F (1962)
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3: 79°F (2004)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77.5°F
Average high is 87.4°F
Average low is 67.6°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.66" (2017)
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2: 0.92" (1965)
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3: 0.71" (1996)
Precipitation data from 1960 to 2022.