Coldest Januarys in Pennsylvania since 1895

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

compiled a ranking of the coldest Januarys in Pennsylvania 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 1982
- Average temperature: 18.2掳F
- Monthly high temperature: 27掳F
- Monthly low temperature: 9.4掳F
- Total precipitation: 3.49"

#9. January 1920
- Average temperature: 18掳F
- Monthly high temperature: 26.3掳F
- Monthly low temperature: 9.7掳F
- Total precipitation: 2.55"

#8. January 1948
- Average temperature: 17.9掳F
- Monthly high temperature: 26.8掳F
- Monthly low temperature: 9掳F
- Total precipitation: 3"

#7. January 1994
- Average temperature: 17.8掳F
- Monthly high temperature: 26.4掳F
- Monthly low temperature: 9.2掳F
- Total precipitation: 4.52"

#6. January 1970
- Average temperature: 17.7掳F
- Monthly high temperature: 26.4掳F
- Monthly low temperature: 9掳F
- Total precipitation: 1.18"

#5. January 1904
- Average temperature: 17.3掳F
- Monthly high temperature: 26.3掳F
- Monthly low temperature: 8.2掳F
- Total precipitation: 3.55"

#3. January 1940 (tie)
- Average temperature: 16掳F
- Monthly high temperature: 23.3掳F
- Monthly low temperature: 8.7掳F
- Total precipitation: 1.39"

#3. January 1912 (tie)
- Average temperature: 16掳F
- Monthly high temperature: 24.4掳F
- Monthly low temperature: 7.6掳F
- Total precipitation: 1.92"

#2. January 1918
- Average temperature: 13.4掳F
- Monthly high temperature: 22掳F
- Monthly low temperature: 4.9掳F
- Total precipitation: 3.58"

#1. January 1977
- Average temperature: 12.7掳F
- Monthly high temperature: 21.6掳F
- Monthly low temperature: 3.8掳F
- Total precipitation: 1.5"

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