Records for Seattle Tacoma Area, Washington (SEAthr) on 12-17
Record Highs
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1: 57°F (1994)
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2: 56°F (1979)
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3: 55°F (1958)
Record Lows
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1: 11°F (1964)
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2: 23°F (2016)
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3: 24°F (1948)
Lowest Highs
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1: 47°F (1966)
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2: 46°F (2018)
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3: 46°F (1994)
Highest Lows
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1: 23°F (1964)
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2: 33°F (2016)
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3: 34°F (1984)
Highest December temperature:
66°F on 12-10-2014.
Lowest December temperature:
6°F on 12-30-1968.
Average temperature is 41.7°F
Average high is 46.9°F
Average low is 36.6°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.61" (1979)
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2: 0.90" (1994)
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3: 0.86" (2015)
Precipitation data from 1945 to 2022.