Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-19
Record Highs
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1: 98°F (2020)
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2: 98°F (1977)
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3: 97°F (1969)
Record Lows
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1: 53°F (1976)
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2: 55°F (1984)
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3: 56°F (2009)
Lowest Highs
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1: 77°F (2013)
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2: 75°F (1991)
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3: 74°F (2005)
Highest Lows
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1: 77°F (2000)
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2: 80°F (2014)
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3: 80°F (1984)
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: 1.52" (1968)
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2: 1.37" (1996)
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3: 1.02" (2012)
Precipitation data from 1960 to 2022.