Records for Seattle City Area, Washington (SEWthr) on 12-15
Record Highs
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1: 65°F (1980)
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2: 60°F (1976)
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3: 56°F (2014)
Record Lows
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1: 18°F (1924)
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2: 22°F (1964)
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3: 23°F (2008)
Lowest Highs
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1: 50°F (1962)
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2: 49°F (1999)
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3: 49°F (1942)
Highest Lows
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1: 31°F (2008)
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2: 35°F (1922)
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3: 38°F (2016)
Highest December temperature:
65°F on 12-04-1939.
Lowest December temperature:
9°F on 12-21-1990.
Average temperature is 41.5°F
Average high is 46.2°F
Average low is 36.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.63" (1924)
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2: 1.59" (1959)
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3: 1.59" (1941)
Precipitation data from 1894 to 2022.