Records for Helena Area, Montana (HLNthr) on 12-11
Record Highs
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1: 59°F (2004)
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2: 58°F (1939)
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3: 56°F (2014)
Record Lows
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1: -22°F (1961)
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2: -22°F (1922)
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3: -21°F (1985)
Lowest Highs
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1: 39°F (1951)
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2: 38°F (1924)
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3: 37°F (1921)
Highest Lows
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1: -10°F (1919)
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2: -8°F (1932)
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3: -8°F (1922)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 24°F
Average high is 33.1°F
Average low is 14.9°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.78" (1917)
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2: 0.33" (1946)
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3: 0.33" (1906)
Precipitation data from 1880 to 2022.