Records for Helena Area, Montana (HLNthr) on 05-05
Record Highs
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1: 87°F (2017)
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2: 86°F (1966)
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3: 86°F (1891)
Record Lows
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1: 20°F (1996)
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2: 26°F (2010)
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3: 26°F (1991)
Lowest Highs
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1: 54°F (1934)
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2: 52°F (2004)
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3: 52°F (1897)
Highest Lows
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1: 42°F (2010)
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2: 42°F (1892)
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3: 43°F (1919)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 50.5°F
Average high is 63°F
Average low is 38°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.64" (1888)
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2: 0.39" (1946)
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3: 0.31" (1981)
Precipitation data from 1880 to 2022.