Records for Tri-Cities Area, Washington (PSCthr) on 05-29
Record Highs
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1: 103°F (1983)
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2: 99°F (1897)
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3: 96°F (2009)
Record Lows
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1: 32°F (1922)
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2: 36°F (1951)
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3: 37°F (2001)
Lowest Highs
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1: 73°F (1934)
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2: 65°F (1939)
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3: 64°F (1983)
Highest Lows
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1: 59°F (1988)
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2: 60°F (1906)
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3: 62°F (1989)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 64.7°F
Average high is 79.1°F
Average low is 50.3°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.70" (1906)
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2: 0.52" (1988)
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3: 0.25" (1990)
Precipitation data from 1894 to 2022.