Records for Helena Area, Montana (HLNthr) on 12-15
Record Highs
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1: 57°F (1980)
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2: 56°F (1959)
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3: 55°F (1939)
Record Lows
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1: -25°F (1924)
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2: -23°F (1979)
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3: -21°F (1964)
Lowest Highs
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1: 45°F (1980)
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2: 40°F (1939)
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3: 36°F (1956)
Highest Lows
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1: -2°F (2008)
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2: 0°F (1899)
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3: 2°F (1967)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 23.1°F
Average high is 32.2°F
Average low is 13.9°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.45" (2016)
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2: 0.39" (1979)
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3: 0.21" (1964)
Precipitation data from 1880 to 2022.