The hottest months in Arizona since 1895

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By Stacker

October 6, 2025

In 2022, the continental United States experienced its third hottest July since 1895, according to data from the National Oceanic and Atmospheric Administration, while 20 states saw one of their 10 hottest days in the same month. The year prior, July marked the hottest month on record worldwide.Climate change is driving rising temperatures and more record heat. The Earth’s temperature has climbed each decade since 1880 by about .14 degrees Fahrenheit, or roughly 2 degrees Fahrenheit total.

Stacker compiled a ranking of the hottest months in Arizona since 1895 using data from the National Centers for Environmental Information. 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, statewide highs and lows for the month, and the total precipitation.

#9. July 2018 (tie)
– Average temperature: 82.3°F
– Monthly high temperature: 96.2°F
– Monthly low temperature: 68.3°F
– Total precipitation: 2.59″

#9. July 2006 (tie)
– Average temperature: 82.3°F
– Monthly high temperature: 95.7°F
– Monthly low temperature: 68.8°F
– Total precipitation: 2.49″

#9. July 2002 (tie)
– Average temperature: 82.3°F
– Monthly high temperature: 96.6°F
– Monthly low temperature: 68°F
– Total precipitation: 1.31″

#9. July 1996 (tie)
– Average temperature: 82.3°F
– Monthly high temperature: 96.2°F
– Monthly low temperature: 68.4°F
– Total precipitation: 1.7″

#7. July 2016 (tie)
– Average temperature: 82.4°F
– Monthly high temperature: 96.8°F
– Monthly low temperature: 67.9°F
– Total precipitation: 1.39″

#7. July 1901 (tie)
– Average temperature: 82.4°F
– Monthly high temperature: 96.2°F
– Monthly low temperature: 68.6°F
– Total precipitation: 1.43″

#6. July 2005
– Average temperature: 82.7°F
– Monthly high temperature: 98.6°F
– Monthly low temperature: 66.9°F
– Total precipitation: 1.05″

#4. July 2020 (tie)
– Average temperature: 82.8°F
– Monthly high temperature: 97.8°F
– Monthly low temperature: 67.8°F
– Total precipitation: 0.71″

#4. July 2009 (tie)
– Average temperature: 82.8°F
– Monthly high temperature: 97.2°F
– Monthly low temperature: 68.3°F
– Total precipitation: 1.09″

#3. July 2003
– Average temperature: 83.8°F
– Monthly high temperature: 98.9°F
– Monthly low temperature: 68.5°F
– Total precipitation: 1.25″

#2. August 2020
– Average temperature: 84.1°F
– Monthly high temperature: 99.4°F
– Monthly low temperature: 68.8°F
– Total precipitation: 0.6″

#1. July 2023
– Average temperature: 85.4°F
– Monthly high temperature: 101.1°F
– Monthly low temperature: 69.7°F
– Total precipitation: 0.52″

MORE: Too hot for rattlesnakes? Reptiles, cactuses struggle in Arizona’s extreme heat

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