Records for Sioux City Area, Iowa (SUXthr) on 12-21
Record Highs
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1: 60°F (1941)
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2: 60°F (1933)
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3: 57°F (1965)
Record Lows
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1: -22°F (1989)
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2: -17°F (1963)
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3: -15°F (1983)
Lowest Highs
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1: 37°F (1941)
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2: 36°F (1918)
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3: 36°F (1891)
Highest Lows
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1: -13°F (1989)
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2: -6°F (1990)
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3: -1°F (1983)
Highest December temperature:
71°F on 12-06-1939.
Lowest December temperature:
-28°F on 12-29-1917.
Average temperature is 21.9°F
Average high is 31.8°F
Average low is 11.9°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 0.59" (2006)
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2: 0.58" (1920)
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3: 0.57" (1942)
Precipitation data from 1889 to 2022.