Records for Helena Area, Montana (HLNthr) on 12-05
Record Highs
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1: 60°F (1939)
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2: 56°F (1940)
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3: 55°F (2012)
Record Lows
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1: -28°F (1972)
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2: -22°F (1880)
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3: -16°F (1956)
Lowest Highs
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1: 44°F (1900)
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2: 40°F (1925)
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3: 37°F (1979)
Highest Lows
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1: -10°F (1972)
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2: -10°F (1880)
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3: -9°F (1956)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 25.8°F
Average high is 34.9°F
Average low is 16.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.35" (1986)
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2: 0.29" (1932)
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3: 0.26" (1936)
Precipitation data from 1880 to 2022.