Hottest Octobers 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 Octobers 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. October 1950
- Average temperature: 59.3掳F
- Monthly high temperature: 71.8掳F
- Monthly low temperature: 46.7掳F
- Total precipitation: 1.25"
#9. October 1897
- Average temperature: 59.6掳F
- Monthly high temperature: 73.6掳F
- Monthly low temperature: 45.7掳F
- Total precipitation: 0.46"
#7. October 2016 (tie)
- Average temperature: 59.9掳F
- Monthly high temperature: 70.6掳F
- Monthly low temperature: 49.2掳F
- Total precipitation: 2.38"
#7. October 2007 (tie)
- Average temperature: 59.9掳F
- Monthly high temperature: 71.3掳F
- Monthly low temperature: 48.4掳F
- Total precipitation: 3.5"
#5. October 2021 (tie)
- Average temperature: 60.2掳F
- Monthly high temperature: 69.3掳F
- Monthly low temperature: 51.1掳F
- Total precipitation: 6.02"
#5. October 1956 (tie)
- Average temperature: 60.2掳F
- Monthly high temperature: 74.4掳F
- Monthly low temperature: 46.1掳F
- Total precipitation: 0.72"
#4. October 1900
- Average temperature: 60.6掳F
- Monthly high temperature: 72.6掳F
- Monthly low temperature: 48.5掳F
- Total precipitation: 2.51"
#3. October 1971
- Average temperature: 61.3掳F
- Monthly high temperature: 72.8掳F
- Monthly low temperature: 49.8掳F
- Total precipitation: 1.65"
#2. October 1947
- Average temperature: 62.2掳F
- Monthly high temperature: 74.1掳F
- Monthly low temperature: 50.2掳F
- Total precipitation: 3.08"
#1. October 1963
- Average temperature: 63.5掳F
- Monthly high temperature: 77.7掳F
- Monthly low temperature: 49.4掳F
- Total precipitation: 0.93"
