Hottest Aprils in Illinois since 1895

Written by:
April 2, 2026
Witaya Proadtayakogool // Shutterstock

Hottest Aprils in Illinois since 1895

In 2022, the continental United States experienced its , according to data from the National Oceanic and Atmospheric Administration, while 20 states saw one of their in the same month. The year prior, July marked the .

Climate change is driving rising temperatures and more record heat. The has climbed each decade since 1880 by about .14 degrees Fahrenheit, or roughly 2 degrees Fahrenheit total.

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

#10. April 1985 (tie)
- Average temperature: 56.7°F
- Monthly high temperature: 67.8°F
- Monthly low temperature: 45.6°F
- Total precipitation: 2.19"

#10. April 1954 (tie)
- Average temperature: 56.7°F
- Monthly high temperature: 69.1°F
- Monthly low temperature: 44.3°F
- Total precipitation: 4.18"

#9. April 2006
- Average temperature: 57°F
- Monthly high temperature: 69.7°F
- Monthly low temperature: 44.4°F
- Total precipitation: 3.79"

#8. April 1981
- Average temperature: 57.3°F
- Monthly high temperature: 68.8°F
- Monthly low temperature: 45.9°F
- Total precipitation: 5.04"

#7. April 1925
- Average temperature: 57.5°F
- Monthly high temperature: 70.7°F
- Monthly low temperature: 44.4°F
- Total precipitation: 2.62"

#5. April 2001 (tie)
- Average temperature: 57.6°F
- Monthly high temperature: 69.8°F
- Monthly low temperature: 45.5°F
- Total precipitation: 2.84"

#5. April 1977 (tie)
- Average temperature: 57.6°F
- Monthly high temperature: 69.8°F
- Monthly low temperature: 45.3°F
- Total precipitation: 2"

#4. April 1915
- Average temperature: 57.9°F
- Monthly high temperature: 70.5°F
- Monthly low temperature: 45.2°F
- Total precipitation: 1.38"

#3. April 1955
- Average temperature: 58°F
- Monthly high temperature: 70°F
- Monthly low temperature: 46.1°F
- Total precipitation: 3.98"

#2. April 1896
- Average temperature: 58.4°F
- Monthly high temperature: 70°F
- Monthly low temperature: 46.8°F
- Total precipitation: 2.8"

#1. April 2010
- Average temperature: 58.7°F
- Monthly high temperature: 71.4°F
- Monthly low temperature: 46.1°F
- Total precipitation: 3.36"

Trending Now