Records for Great Falls Area, Montana (GTFthr) on 05-11
Record Highs
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1: 88°F (1960)
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2: 85°F (1958)
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3: 84°F (1993)
Record Lows
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1: 23°F (1983)
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2: 25°F (2022)
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3: 25°F (2012)
Lowest Highs
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1: 63°F (1960)
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2: 55°F (1915)
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3: 53°F (1993)
Highest Lows
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1: 36°F (1983)
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2: 36°F (1943)
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3: 38°F (1953)
Highest May temperature:
100°F on 05-28-1919.
Lowest May temperature:
12°F on 05-01-2009.
Average temperature is 53.2°F
Average high is 66°F
Average low is 40.4°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 1.40" (2018)
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2: 0.65" (1963)
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3: 0.58" (1970)
Precipitation data from 1891 to 2022.