Records for Sioux City Area, Iowa (SUXthr) on 12-18
Record Highs
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1: 60°F (1976)
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2: 59°F (1923)
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3: 58°F (1988)
Record Lows
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1: -20°F (2016)
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2: -19°F (1983)
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3: -18°F (1985)
Lowest Highs
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1: 35°F (1957)
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2: 34°F (1939)
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3: 34°F (1931)
Highest Lows
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1: -4°F (1983)
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2: -2°F (1924)
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3: 0°F (1981)
Highest December temperature:
71°F on 12-06-1939.
Lowest December temperature:
-28°F on 12-29-1917.
Average temperature is 22.8°F
Average high is 32.7°F
Average low is 12.8°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 0.39" (1968)
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2: 0.32" (2008)
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3: 0.23" (2000)
Precipitation data from 1889 to 2022.