Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-01
Record Highs
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1: 90°F (2010)
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2: 86°F (1986)
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3: 86°F (1985)
Record Lows
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1: 33°F (1996)
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2: 34°F (1988)
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3: 34°F (1969)
Lowest Highs
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1: 70°F (2017)
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2: 63°F (1983)
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3: 61°F (2004)
Highest Lows
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1: 47°F (1963)
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2: 50°F (1964)
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3: 57°F (1981)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 59.8°F
Average high is 71.1°F
Average low is 48.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.42" (1981)
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2: 0.96" (1976)
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3: 0.94" (1989)
Precipitation data from 1960 to 2022.