Coldest Decembers in Iowa since 1895
compiled a ranking of the coldest Decembers in Iowa 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 1914
- Average temperature: 14.2掳F
- Monthly high temperature: 22.9掳F
- Monthly low temperature: 5.6掳F
- Total precipitation: 1.3"
#9. December 1989
- Average temperature: 13.8掳F
- Monthly high temperature: 23.5掳F
- Monthly low temperature: 4掳F
- Total precipitation: 0.36"
#8. December 1924
- Average temperature: 13.6掳F
- Monthly high temperature: 22.6掳F
- Monthly low temperature: 4.5掳F
- Total precipitation: 1.71"
#7. December 1909
- Average temperature: 13.4掳F
- Monthly high temperature: 20.8掳F
- Monthly low temperature: 5.9掳F
- Total precipitation: 2.17"
#5. December 1919 (tie)
- Average temperature: 13.3掳F
- Monthly high temperature: 21.6掳F
- Monthly low temperature: 5掳F
- Total precipitation: 0.57"
#5. December 1917 (tie)
- Average temperature: 13.3掳F
- Monthly high temperature: 22.2掳F
- Monthly low temperature: 4.4掳F
- Total precipitation: 0.55"
#4. December 1963
- Average temperature: 13.1掳F
- Monthly high temperature: 22.6掳F
- Monthly low temperature: 3.6掳F
- Total precipitation: 0.48"
#3. December 1985
- Average temperature: 11.4掳F
- Monthly high temperature: 21.8掳F
- Monthly low temperature: 0.9掳F
- Total precipitation: 1.27"
#2. December 2000
- Average temperature: 10掳F
- Monthly high temperature: 18.6掳F
- Monthly low temperature: 1.4掳F
- Total precipitation: 1.67"
#1. December 1983
- Average temperature: 7.6掳F
- Monthly high temperature: 15.3掳F
- Monthly low temperature: -0.1掳F
- Total precipitation: 1.11"
