Records for Seattle City Area, Washington (SEWthr) on 12-30
Record Highs
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1: 59°F (1958)
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2: 58°F (1917)
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3: 55°F (1963)
Record Lows
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1: 10°F (1968)
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2: 15°F (1978)
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3: 17°F (1927)
Lowest Highs
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1: 53°F (1958)
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2: 49°F (1980)
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3: 49°F (1917)
Highest Lows
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1: 22°F (1968)
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2: 24°F (1978)
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3: 28°F (1927)
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 45.9°F
Average low is 36.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.06" (1970)
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2: 1.01" (1905)
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3: 0.79" (2005)
Precipitation data from 1894 to 2022.