Records for Helena Area, Montana (HLNthr) on 12-10
Record Highs
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1: 63°F (1939)
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2: 57°F (2004)
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3: 55°F (1993)
Record Lows
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1: -27°F (1972)
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2: -20°F (1961)
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3: -16°F (1932)
Lowest Highs
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1: 41°F (2008)
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2: 39°F (1946)
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3: 39°F (1925)
Highest Lows
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1: -10°F (1919)
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2: -4°F (1972)
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3: -2°F (1961)
Highest December temperature:
70°F on 12-01-2021.
Lowest December temperature:
-40°F on 12-30-1880.
Average temperature is 24.3°F
Average high is 33.4°F
Average low is 15.2°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.51" (1929)
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2: 0.45" (1893)
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3: 0.16" (1908)
Precipitation data from 1880 to 2022.