Records for Seattle Tacoma Area, Washington (SEAthr) on 12-09
Record Highs
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1: 61°F (2014)
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2: 60°F (1993)
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3: 55°F (1987)
Record Lows
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1: 18°F (2009)
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2: 21°F (1972)
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3: 23°F (2013)
Lowest Highs
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1: 51°F (2014)
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2: 47°F (1950)
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3: 46°F (2015)
Highest Lows
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1: 32°F (2009)
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2: 32°F (1972)
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3: 34°F (2013)
Highest December temperature:
66°F on 12-10-2014.
Lowest December temperature:
6°F on 12-30-1968.
Average temperature is 42.3°F
Average high is 47.6°F
Average low is 37°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.78" (1956)
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2: 1.36" (1987)
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3: 0.94" (1983)
Precipitation data from 1945 to 2022.