Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-05
Record Highs
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1: 99°F (1999)
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2: 99°F (1990)
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3: 98°F (2012)
Record Lows
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1: 50°F (1996)
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2: 50°F (1971)
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3: 51°F (1979)
Lowest Highs
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1: 74°F (2018)
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2: 74°F (1994)
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3: 73°F (2013)
Highest Lows
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1: 68°F (1972)
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2: 72°F (2009)
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3: 73°F (1979)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77°F
Average high is 87°F
Average low is 66.9°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.43" (2005)
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2: 1.25" (1974)
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3: 1.25" (1966)
Precipitation data from 1960 to 2022.