Records for Seattle City Area, Washington (SEWthr) on 05-21
Record Highs
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1: 92°F (1963)
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2: 83°F (1988)
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3: 83°F (1938)
Record Lows
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1: 40°F (1916)
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2: 41°F (1903)
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3: 43°F (1922)
Lowest Highs
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1: 58°F (1914)
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2: 57°F (1963)
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3: 56°F (1942)
Highest Lows
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1: 52°F (1996)
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2: 52°F (1916)
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3: 53°F (1922)
Highest May temperature:
92°F on 05-13-1934.
Lowest May temperature:
35°F on 05-01-1954.
Average temperature is 57.9°F
Average high is 66.4°F
Average low is 49.4°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.15" (2020)
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2: 0.59" (1939)
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3: 0.58" (2012)
Precipitation data from 1894 to 2022.