Coldest Octobers in Connecticut since 1895

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October 23, 2025
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Coldest Octobers in Connecticut since 1895

compiled a ranking of the coldest Octobers in Connecticut since 1895 using data from the . Rankings are based on the lowest average temperature in each month. For each of the coldest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.

#10. October 1904
- Average temperature: 47.4掳F
- Monthly high temperature: 59掳F
- Monthly low temperature: 35.8掳F
- Total precipitation: 2.68"

#9. October 1972
- Average temperature: 47掳F
- Monthly high temperature: 57.9掳F
- Monthly low temperature: 35.9掳F
- Total precipitation: 4.79"

#8. October 1896
- Average temperature: 46.8掳F
- Monthly high temperature: 55.8掳F
- Monthly low temperature: 37.9掳F
- Total precipitation: 3.63"

#6. October 1988 (tie)
- Average temperature: 46.6掳F
- Monthly high temperature: 57.1掳F
- Monthly low temperature: 36.1掳F
- Total precipitation: 3"

#6. October 1917 (tie)
- Average temperature: 46.6掳F
- Monthly high temperature: 57.2掳F
- Monthly low temperature: 36.1掳F
- Total precipitation: 6.07"

#5. October 1974
- Average temperature: 46.5掳F
- Monthly high temperature: 58.4掳F
- Monthly low temperature: 34.6掳F
- Total precipitation: 2.94"

#4. October 1940
- Average temperature: 46.4掳F
- Monthly high temperature: 57.4掳F
- Monthly low temperature: 35.5掳F
- Total precipitation: 2.25"

#3. October 1907
- Average temperature: 46掳F
- Monthly high temperature: 57.2掳F
- Monthly low temperature: 34.6掳F
- Total precipitation: 5.28"

#2. October 1895
- Average temperature: 45掳F
- Monthly high temperature: 56掳F
- Monthly low temperature: 33.9掳F
- Total precipitation: 5.1"

#1. October 1925
- Average temperature: 44.1掳F
- Monthly high temperature: 54.3掳F
- Monthly low temperature: 33.9掳F
- Total precipitation: 4.49"

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