Coldest Mays in Iowa since 1895
compiled a ranking of the coldest Mays 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. May 1967 (tie)
- Average temperature: 55.6°F
- Monthly high temperature: 67.9°F
- Monthly low temperature: 43.4°F
- Total precipitation: 2.74"
#10. May 1915 (tie)
- Average temperature: 55.6°F
- Monthly high temperature: 66.5°F
- Monthly low temperature: 44.6°F
- Total precipitation: 7.35"
#9. May 1910
- Average temperature: 54.9°F
- Monthly high temperature: 67°F
- Monthly low temperature: 42.8°F
- Total precipitation: 3.28"
#8. May 1954
- Average temperature: 54.8°F
- Monthly high temperature: 66.9°F
- Monthly low temperature: 42.6°F
- Total precipitation: 3.8"
#6. May 1947 (tie)
- Average temperature: 54.7°F
- Monthly high temperature: 66.6°F
- Monthly low temperature: 42.8°F
- Total precipitation: 4.23"
#6. May 1917 (tie)
- Average temperature: 54.7°F
- Monthly high temperature: 67.2°F
- Monthly low temperature: 42.2°F
- Total precipitation: 3.91"
#5. May 1945
- Average temperature: 54.3°F
- Monthly high temperature: 65.5°F
- Monthly low temperature: 43°F
- Total precipitation: 6.16"
#3. May 1997 (tie)
- Average temperature: 54.2°F
- Monthly high temperature: 66.2°F
- Monthly low temperature: 42.3°F
- Total precipitation: 4.03"
#3. May 1935 (tie)
- Average temperature: 54.2°F
- Monthly high temperature: 64.2°F
- Monthly low temperature: 44.2°F
- Total precipitation: 4.52"
#2. May 1924
- Average temperature: 53.4°F
- Monthly high temperature: 65.8°F
- Monthly low temperature: 41°F
- Total precipitation: 1.68"
#1. May 1907
- Average temperature: 52.7°F
- Monthly high temperature: 65.3°F
- Monthly low temperature: 40°F
- Total precipitation: 3.59"