Records for Waterloo Area, Iowa (ALOthr) on 12-21
Record Highs
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1: 56°F (1941)
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2: 52°F (1967)
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3: 52°F (1918)
Record Lows
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1: -27°F (1963)
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2: -21°F (1989)
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3: -21°F (1985)
Lowest Highs
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1: 43°F (1918)
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2: 39°F (1923)
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3: 36°F (2006)
Highest Lows
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1: -11°F (1989)
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2: -6°F (1963)
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3: 0°F (2008)
Highest December temperature:
74°F on 12-15-2021.
Lowest December temperature:
-29°F on 12-10-1919.
Average temperature is 23.6°F
Average high is 31.7°F
Average low is 15.4°F
Temperature data from 1895 to 2022.
Record Precipitation
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1: 0.83" (1984)
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2: 0.42" (1905)
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3: 0.35" (2006)
Precipitation data from 1895 to 2022.