Hottest Julys in Iowa since 1895

Written by:
July 2, 2026
Maxim Grohotov // Shutterstock

Hottest Julys in Iowa 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 Iowa 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.

#9. July 1930 (tie)
- Average temperature: 77.3°F
- Monthly high temperature: 91°F
- Monthly low temperature: 63.6°F
- Total precipitation: 1.52"

#9. July 1921 (tie)
- Average temperature: 77.3°F
- Monthly high temperature: 89.6°F
- Monthly low temperature: 65.1°F
- Total precipitation: 2.59"

#8. July 2011
- Average temperature: 78°F
- Monthly high temperature: 87.7°F
- Monthly low temperature: 68.2°F
- Total precipitation: 3.4"

#7. July 1935
- Average temperature: 78.8°F
- Monthly high temperature: 90.5°F
- Monthly low temperature: 67.2°F
- Total precipitation: 3.27"

#5. July 1955 (tie)
- Average temperature: 78.9°F
- Monthly high temperature: 90.4°F
- Monthly low temperature: 67.4°F
- Total precipitation: 3.46"

#5. July 1934 (tie)
- Average temperature: 78.9°F
- Monthly high temperature: 92.3°F
- Monthly low temperature: 65.5°F
- Total precipitation: 4.09"

#4. July 1916
- Average temperature: 79.3°F
- Monthly high temperature: 92.3°F
- Monthly low temperature: 66.2°F
- Total precipitation: 1.76"

#3. July 2012
- Average temperature: 79.6°F
- Monthly high temperature: 92°F
- Monthly low temperature: 67.1°F
- Total precipitation: 1.17"

#2. July 1901
- Average temperature: 82°F
- Monthly high temperature: 96.3°F
- Monthly low temperature: 67.7°F
- Total precipitation: 2.3"

#1. July 1936
- Average temperature: 82.7°F
- Monthly high temperature: 98.4°F
- Monthly low temperature: 66.9°F
- Total precipitation: 0.56"

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