Records for Helena Area, Montana (HLNthr) on 12-09
Record Highs
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1: 59°F (1957)
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2: 58°F (2015)
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3: 58°F (1902)
Record Lows
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1: -30°F (1972)
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2: -28°F (1932)
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3: -28°F (1919)
Lowest Highs
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1: 40°F (1939)
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2: 39°F (2015)
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3: 39°F (1896)
Highest Lows
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1: -12°F (1932)
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2: -12°F (1919)
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3: -9°F (1972)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 24.6°F
Average high is 33.7°F
Average low is 15.5°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.49" (1917)
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2: 0.27" (1929)
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3: 0.26" (1901)
Precipitation data from 1880 to 2022.