Records for Helena Area, Montana (HLNthr) on 12-12
Record Highs
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1: 62°F (2014)
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2: 62°F (1921)
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3: 60°F (1924)
Record Lows
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1: -23°F (1922)
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2: -23°F (1917)
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3: -20°F (1919)
Lowest Highs
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1: 50°F (1921)
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2: 47°F (1924)
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3: 40°F (2014)
Highest Lows
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1: -9°F (1919)
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2: -8°F (1922)
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3: -6°F (1917)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 23.8°F
Average high is 32.9°F
Average low is 14.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.60" (1937)
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2: 0.35" (1906)
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3: 0.27" (2016)
Precipitation data from 1880 to 2022.