Hottest Mays in Connecticut since 1895

Written by:
May 12, 2026
Andrzej Kubik // Shutterstock

Hottest Mays in Connecticut 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 Mays in Connecticut 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. May 1918
- Average temperature: 60.8°F
- Monthly high temperature: 73.2°F
- Monthly low temperature: 48.3°F
- Total precipitation: 3.64"

#8. May 2024 (tie)
- Average temperature: 60.9°F
- Monthly high temperature: 71.2°F
- Monthly low temperature: 50.7°F
- Total precipitation: 5.01"

#8. May 2010 (tie)
- Average temperature: 60.9°F
- Monthly high temperature: 73.4°F
- Monthly low temperature: 48.4°F
- Total precipitation: 2.94"

#7. May 1998
- Average temperature: 61°F
- Monthly high temperature: 72.8°F
- Monthly low temperature: 49.2°F
- Total precipitation: 5.86"

#6. May 1911
- Average temperature: 61.4°F
- Monthly high temperature: 73.9°F
- Monthly low temperature: 48.8°F
- Total precipitation: 1.4"

#5. May 2012
- Average temperature: 61.6°F
- Monthly high temperature: 71.3°F
- Monthly low temperature: 51.9°F
- Total precipitation: 3.94"

#4. May 1944
- Average temperature: 62°F
- Monthly high temperature: 75.5°F
- Monthly low temperature: 48.5°F
- Total precipitation: 1.61"

#3. May 2018
- Average temperature: 62.2°F
- Monthly high temperature: 73.6°F
- Monthly low temperature: 50.8°F
- Total precipitation: 2.67"

#2. May 1991
- Average temperature: 62.6°F
- Monthly high temperature: 75.4°F
- Monthly low temperature: 49.8°F
- Total precipitation: 4.88"

#1. May 2015
- Average temperature: 62.7°F
- Monthly high temperature: 75.5°F
- Monthly low temperature: 49.8°F
- Total precipitation: 1.21"

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