Coldest Mays in Illinois since 1895
compiled a ranking of the coldest Mays in Illinois 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.
#9. May 1967 (tie)
- Average temperature: 58掳F
- Monthly high temperature: 69.1掳F
- Monthly low temperature: 46.8掳F
- Total precipitation: 3.98"
#9. May 1966 (tie)
- Average temperature: 58掳F
- Monthly high temperature: 69.8掳F
- Monthly low temperature: 46.2掳F
- Total precipitation: 4.51"
#8. May 1961
- Average temperature: 57.8掳F
- Monthly high temperature: 69.7掳F
- Monthly low temperature: 45.9掳F
- Total precipitation: 5.17"
#7. May 1997
- Average temperature: 57.5掳F
- Monthly high temperature: 69掳F
- Monthly low temperature: 46.1掳F
- Total precipitation: 4.03"
#6. May 1945
- Average temperature: 57.1掳F
- Monthly high temperature: 67.7掳F
- Monthly low temperature: 46.4掳F
- Total precipitation: 5.37"
#5. May 1910
- Average temperature: 57掳F
- Monthly high temperature: 68.1掳F
- Monthly low temperature: 45.9掳F
- Total precipitation: 4.99"
#4. May 1935
- Average temperature: 56.9掳F
- Monthly high temperature: 66.3掳F
- Monthly low temperature: 47.4掳F
- Total precipitation: 7.83"
#2. May 1924 (tie)
- Average temperature: 55.9掳F
- Monthly high temperature: 67.3掳F
- Monthly low temperature: 44.5掳F
- Total precipitation: 3.52"
#2. May 1907 (tie)
- Average temperature: 55.9掳F
- Monthly high temperature: 67.4掳F
- Monthly low temperature: 44.4掳F
- Total precipitation: 4.02"
#1. May 1917
- Average temperature: 55.8掳F
- Monthly high temperature: 67.4掳F
- Monthly low temperature: 44.3掳F
- Total precipitation: 4.21"
