Coldest Octobers in Pennsylvania since 1895

Written by:
October 23, 2025
Berit Kessler // Shutterstock

Coldest Octobers in Pennsylvania since 1895

compiled a ranking of the coldest Octobers 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. October 1896
- Average temperature: 46.3°F
- Monthly high temperature: 55.3°F
- Monthly low temperature: 37.4°F
- Total precipitation: 3.15"

#7. October 1987 (tie)
- Average temperature: 46°F
- Monthly high temperature: 57.6°F
- Monthly low temperature: 34.4°F
- Total precipitation: 2.55"

#7. October 1972 (tie)
- Average temperature: 46°F
- Monthly high temperature: 56.2°F
- Monthly low temperature: 35.8°F
- Total precipitation: 2.7"

#7. October 1909 (tie)
- Average temperature: 46°F
- Monthly high temperature: 57°F
- Monthly low temperature: 35.1°F
- Total precipitation: 2.34"

#6. October 1907
- Average temperature: 45.8°F
- Monthly high temperature: 57.2°F
- Monthly low temperature: 34.5°F
- Total precipitation: 3.22"

#4. October 1988 (tie)
- Average temperature: 45.6°F
- Monthly high temperature: 55.4°F
- Monthly low temperature: 35.7°F
- Total precipitation: 2.41"

#4. October 1976 (tie)
- Average temperature: 45.6°F
- Monthly high temperature: 55.2°F
- Monthly low temperature: 36°F
- Total precipitation: 6.9"

#3. October 1917
- Average temperature: 44.9°F
- Monthly high temperature: 55.4°F
- Monthly low temperature: 34.4°F
- Total precipitation: 6.53"

#2. October 1895
- Average temperature: 44.3°F
- Monthly high temperature: 56.7°F
- Monthly low temperature: 31.9°F
- Total precipitation: 1.61"

#1. October 1925
- Average temperature: 43.5°F
- Monthly high temperature: 51.2°F
- Monthly low temperature: 35.8°F
- Total precipitation: 4.78"

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