Hottest Octobers in Connecticut since 1895

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 Octobers in Connecticut 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, state-wide highs and lows for the month, and the total precipitation.

#10. October 1954
- Average temperature: 55.3°F
- Monthly high temperature: 65.9°F
- Monthly low temperature: 44.6°F
- Total precipitation: 2.41"

#9. October 1920
- Average temperature: 55.4°F
- Monthly high temperature: 67.1°F
- Monthly low temperature: 43.8°F
- Total precipitation: 2.01"

#8. October 1949
- Average temperature: 55.6°F
- Monthly high temperature: 66.8°F
- Monthly low temperature: 44.4°F
- Total precipitation: 2.18"

#7. October 1990
- Average temperature: 55.9°F
- Monthly high temperature: 66.7°F
- Monthly low temperature: 45.2°F
- Total precipitation: 7.86"

#6. October 2023
- Average temperature: 56.1°F
- Monthly high temperature: 66°F
- Monthly low temperature: 46.2°F
- Total precipitation: 3.39"

#5. October 1947
- Average temperature: 56.2°F
- Monthly high temperature: 69.8°F
- Monthly low temperature: 42.6°F
- Total precipitation: 2.23"

#4. October 1971
- Average temperature: 56.4°F
- Monthly high temperature: 67.1°F
- Monthly low temperature: 45.6°F
- Total precipitation: 3.71"

#3. October 2021
- Average temperature: 56.8°F
- Monthly high temperature: 65.8°F
- Monthly low temperature: 47.8°F
- Total precipitation: 5.99"

#2. October 2007
- Average temperature: 57.8°F
- Monthly high temperature: 68°F
- Monthly low temperature: 47.6°F
- Total precipitation: 3.76"

#1. October 2017
- Average temperature: 58.6°F
- Monthly high temperature: 69.6°F
- Monthly low temperature: 47.6°F
- Total precipitation: 8.26"