Records for Seattle City Area, Washington (SEWthr) on 12-17
Record Highs
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1: 57°F (1994)
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2: 57°F (1923)
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3: 56°F (1958)
Record Lows
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1: 14°F (1924)
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2: 15°F (1964)
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3: 23°F (1922)
Lowest Highs
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1: 51°F (1966)
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2: 48°F (1962)
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3: 47°F (1958)
Highest Lows
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1: 24°F (1924)
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2: 27°F (1964)
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3: 35°F (2016)
Highest December temperature:
65°F on 12-04-1939.
Lowest December temperature:
9°F on 12-21-1990.
Average temperature is 41.3°F
Average high is 46°F
Average low is 36.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.99" (1933)
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2: 1.81" (1979)
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3: 1.26" (1994)
Precipitation data from 1894 to 2022.