Records for Helena Area, Montana (HLNthr) on 05-12
Record Highs
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1: 92°F (2001)
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2: 88°F (1960)
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3: 87°F (2013)
Record Lows
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1: 22°F (1943)
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2: 25°F (1966)
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3: 26°F (2014)
Lowest Highs
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1: 55°F (1994)
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2: 53°F (1897)
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3: 52°F (1941)
Highest Lows
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1: 40°F (1953)
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2: 41°F (1916)
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3: 41°F (1887)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 52.9°F
Average high is 65.4°F
Average low is 40.4°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 2.00" (1900)
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2: 0.94" (1995)
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3: 0.76" (1942)
Precipitation data from 1880 to 2022.