Records for Helena Area, Montana (HLNthr) on 05-19
Record Highs
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1: 90°F (1954)
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2: 88°F (2009)
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3: 88°F (2002)
Record Lows
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1: 24°F (1997)
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2: 30°F (2003)
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3: 30°F (1998)
Lowest Highs
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1: 63°F (2006)
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2: 59°F (2008)
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3: 57°F (1980)
Highest Lows
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1: 39°F (1938)
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2: 44°F (1903)
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3: 45°F (1908)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 55.1°F
Average high is 67.5°F
Average low is 42.6°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.82" (1938)
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2: 0.75" (2020)
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3: 0.57" (1908)
Precipitation data from 1880 to 2022.