Records for Tri-Cities Area, Washington (PSCthr) on 12-21
Record Highs
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1: 68°F (1933)
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2: 65°F (1994)
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3: 63°F (2019)
Record Lows
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1: -3°F (1990)
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2: -2°F (1998)
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3: 0°F (2022)
Lowest Highs
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1: 57°F (1933)
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2: 49°F (2014)
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3: 47°F (1994)
Highest Lows
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1: 14°F (1990)
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2: 15°F (1984)
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3: 17°F (2022)
Highest December temperature:
71°F on 12-01-2021.
Lowest December temperature:
-29°F on 12-13-1919.
Average temperature is 33.3°F
Average high is 40.1°F
Average low is 26.6°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.50" (1967)
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2: 0.50" (1925)
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3: 0.42" (1955)
Precipitation data from 1894 to 2022.