Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-31
Record Highs
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1: 94°F (2022)
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2: 94°F (2011)
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3: 94°F (1991)
Record Lows
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1: 37°F (1984)
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2: 39°F (2000)
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3: 39°F (1996)
Lowest Highs
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1: 71°F (2006)
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2: 71°F (1991)
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3: 70°F (1975)
Highest Lows
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1: 66°F (1984)
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2: 67°F (1967)
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3: 67°F (1966)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 67.9°F
Average high is 77.9°F
Average low is 57.9°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.35" (2018)
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2: 1.15" (1979)
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3: 0.65" (1985)
Precipitation data from 1960 to 2022.