Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-22
Record Highs
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1: 105°F (2011)
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2: 98°F (1998)
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3: 97°F (1978)
Record Lows
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1: 50°F (1974)
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2: 52°F (1966)
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3: 54°F (2001)
Lowest Highs
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1: 76°F (2011)
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2: 75°F (1994)
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3: 75°F (1972)
Highest Lows
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1: 70°F (1996)
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2: 74°F (1973)
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3: 77°F (1992)
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 87.3°F
Average low is 67.6°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.25" (1969)
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2: 1.64" (2020)
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3: 1.49" (2003)
Precipitation data from 1960 to 2022.