Hottest Julys 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 Julys 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. July 1980
- Average temperature: 78.8°F
- Monthly high temperature: 90.3°F
- Monthly low temperature: 67.2°F
- Total precipitation: 3.06"
#9. July 1983
- Average temperature: 79.1°F
- Monthly high temperature: 90.9°F
- Monthly low temperature: 67.3°F
- Total precipitation: 2.02"
#8. July 1921
- Average temperature: 79.6°F
- Monthly high temperature: 92.5°F
- Monthly low temperature: 66.8°F
- Total precipitation: 1.9"
#7. July 1955
- Average temperature: 79.8°F
- Monthly high temperature: 90.8°F
- Monthly low temperature: 68.8°F
- Total precipitation: 3.31"
#6. July 2011
- Average temperature: 79.9°F
- Monthly high temperature: 90.2°F
- Monthly low temperature: 69.7°F
- Total precipitation: 3.61"
#5. July 1916
- Average temperature: 80.4°F
- Monthly high temperature: 93.8°F
- Monthly low temperature: 66.9°F
- Total precipitation: 1.19"
#4. July 1934
- Average temperature: 81°F
- Monthly high temperature: 94.2°F
- Monthly low temperature: 67.8°F
- Total precipitation: 3.21"
#3. July 1901
- Average temperature: 81.5°F
- Monthly high temperature: 95.7°F
- Monthly low temperature: 67.3°F
- Total precipitation: 2.42"
#2. July 2012
- Average temperature: 81.8°F
- Monthly high temperature: 94.4°F
- Monthly low temperature: 69.2°F
- Total precipitation: 1.4"
#1. July 1936
- Average temperature: 82.8°F
- Monthly high temperature: 97.3°F
- Monthly low temperature: 68.3°F
- Total precipitation: 1.18"