Coldest Decembers in Wisconsin since 1895

Written by:
December 9, 2025
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Coldest Decembers in Wisconsin since 1895

compiled a ranking of the coldest Decembers in Wisconsin since 1895 using data from the . Rankings are based on the lowest average temperature in each month. For each of the coldest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.

#10. December 1963
- Average temperature: 10.3°F
- Monthly high temperature: 18.8°F
- Monthly low temperature: 1.8°F
- Total precipitation: 0.76"

#9. December 1903
- Average temperature: 10.1°F
- Monthly high temperature: 19.8°F
- Monthly low temperature: 0.5°F
- Total precipitation: 0.84"

#8. December 1917
- Average temperature: 9.7°F
- Monthly high temperature: 18.3°F
- Monthly low temperature: 1.1°F
- Total precipitation: 0.55"

#7. December 1924
- Average temperature: 9°F
- Monthly high temperature: 17.8°F
- Monthly low temperature: 0.2°F
- Total precipitation: 1.12"

#6. December 2000
- Average temperature: 8.6°F
- Monthly high temperature: 17.6°F
- Monthly low temperature: -0.3°F
- Total precipitation: 1.51"

#5. December 1989
- Average temperature: 8.5°F
- Monthly high temperature: 17.8°F
- Monthly low temperature: -0.7°F
- Total precipitation: 0.47"

#4. December 1976
- Average temperature: 8.4°F
- Monthly high temperature: 19.4°F
- Monthly low temperature: -2.5°F
- Total precipitation: 0.47"

#3. December 1919
- Average temperature: 8°F
- Monthly high temperature: 16.8°F
- Monthly low temperature: -0.8°F
- Total precipitation: 0.76"

#2. December 1985
- Average temperature: 7.5°F
- Monthly high temperature: 17.5°F
- Monthly low temperature: -2.4°F
- Total precipitation: 1.61"

#1. December 1983
- Average temperature: 6.9°F
- Monthly high temperature: 15.6°F
- Monthly low temperature: -1.8°F
- Total precipitation: 1.45"

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