Records for Helena Area, Montana (HLNthr) on 12-29
Record Highs
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1: 55°F (1933)
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2: 53°F (1949)
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3: 53°F (1904)
Record Lows
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1: -38°F (1880)
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2: -29°F (1990)
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3: -26°F (1978)
Lowest Highs
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1: 39°F (1997)
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2: 36°F (1945)
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3: 35°F (1961)
Highest Lows
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1: -28°F (1880)
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2: -19°F (1968)
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3: -15°F (1990)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 21.5°F
Average high is 30.9°F
Average low is 12.2°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.64" (2017)
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2: 0.38" (1894)
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3: 0.29" (1967)
Precipitation data from 1880 to 2022.