Coldest Januarys in Connecticut since 1895

Written by:
January 8, 2026
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Coldest Januarys in Connecticut since 1895

compiled a ranking of the coldest Januarys 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. January 2004 (tie)
- Average temperature: 18.7掳F
- Monthly high temperature: 26.9掳F
- Monthly low temperature: 10.5掳F
- Total precipitation: 1.89"

#10. January 1994 (tie)
- Average temperature: 18.7掳F
- Monthly high temperature: 29.2掳F
- Monthly low temperature: 8.3掳F
- Total precipitation: 5.67"

#9. January 1940
- Average temperature: 18.1掳F
- Monthly high temperature: 26.5掳F
- Monthly low temperature: 9.7掳F
- Total precipitation: 3.05"

#8. January 1982
- Average temperature: 17.8掳F
- Monthly high temperature: 27.9掳F
- Monthly low temperature: 7.6掳F
- Total precipitation: 5.15"

#7. January 1981
- Average temperature: 17.7掳F
- Monthly high temperature: 27.8掳F
- Monthly low temperature: 7.7掳F
- Total precipitation: 0.68"

#6. January 1970
- Average temperature: 17.5掳F
- Monthly high temperature: 27.3掳F
- Monthly low temperature: 7.6掳F
- Total precipitation: 0.58"

#5. January 1977
- Average temperature: 17.3掳F
- Monthly high temperature: 26.8掳F
- Monthly low temperature: 7.8掳F
- Total precipitation: 2.45"

#4. January 1920
- Average temperature: 17.2掳F
- Monthly high temperature: 27.3掳F
- Monthly low temperature: 7.2掳F
- Total precipitation: 3.18"

#3. January 1904
- Average temperature: 16.9掳F
- Monthly high temperature: 26.8掳F
- Monthly low temperature: 7掳F
- Total precipitation: 3.85"

#2. January 1912
- Average temperature: 16.1掳F
- Monthly high temperature: 25.8掳F
- Monthly low temperature: 6.4掳F
- Total precipitation: 2.33"

#1. January 1918
- Average temperature: 15.4掳F
- Monthly high temperature: 24.5掳F
- Monthly low temperature: 6.4掳F
- Total precipitation: 3.64"

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