Records for Helena Area, Montana (HLNthr) on 12-01
Record Highs
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1: 70°F (2021)
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2: 60°F (2008)
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3: 57°F (1903)
Record Lows
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1: -25°F (1985)
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2: -16°F (1919)
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3: -14°F (1880)
Lowest Highs
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1: 51°F (2021)
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2: 39°F (1883)
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3: 37°F (1900)
Highest Lows
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1: -6°F (1985)
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2: -3°F (1919)
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3: 6°F (1897)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 27.1°F
Average high is 36.4°F
Average low is 17.9°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.62" (1917)
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2: 0.45" (1978)
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3: 0.39" (1895)
Precipitation data from 1880 to 2022.