Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-04
Record Highs
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1: 97°F (2002)
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2: 97°F (1999)
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3: 96°F (2012)
Record Lows
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1: 48°F (1986)
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2: 53°F (1971)
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3: 54°F (1979)
Lowest Highs
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1: 75°F (2018)
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2: 74°F (2013)
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3: 72°F (2019)
Highest Lows
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1: 72°F (2016)
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2: 73°F (1979)
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3: 74°F (1978)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 76.9°F
Average high is 86.9°F
Average low is 66.8°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.87" (2001)
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2: 1.22" (2004)
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3: 0.91" (1981)
Precipitation data from 1960 to 2022.