Records for Helena Area, Montana (HLNthr) on 05-08
Record Highs
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1: 85°F (1987)
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2: 82°F (1947)
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3: 82°F (1928)
Record Lows
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1: 23°F (1997)
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2: 25°F (2010)
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3: 27°F (1880)
Lowest Highs
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1: 50°F (1932)
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2: 50°F (1890)
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3: 49°F (1910)
Highest Lows
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1: 40°F (2002)
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2: 40°F (1927)
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3: 42°F (1918)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 51.5°F
Average high is 64.1°F
Average low is 39°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.01" (1948)
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2: 0.83" (1891)
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3: 0.60" (1908)
Precipitation data from 1880 to 2022.