Records for Helena Area, Montana (HLNthr) on 12-16
Record Highs
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1: 60°F (1942)
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2: 59°F (1980)
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3: 59°F (1941)
Record Lows
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1: -36°F (1964)
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2: -29°F (1924)
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3: -23°F (1979)
Lowest Highs
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1: 39°F (1883)
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2: 38°F (2013)
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3: 36°F (1999)
Highest Lows
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1: -24°F (1924)
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2: -15°F (1964)
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3: -12°F (1884)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 22.9°F
Average high is 32°F
Average low is 13.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.32" (1963)
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2: 0.28" (1895)
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3: 0.27" (1929)
Precipitation data from 1880 to 2022.