Coldest Mays in Pennsylvania since 1895
Stacker compiled a ranking of the coldest Mays in Pennsylvania since 1895 using data from the National Centers for Environmental Information. 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. May 1994 (tie)
- Average temperature: 53.9°F
- Monthly high temperature: 66.2°F
- Monthly low temperature: 41.5°F
- Total precipitation: 3.36"
#10. May 1966 (tie)
- Average temperature: 53.9°F
- Monthly high temperature: 66.2°F
- Monthly low temperature: 41.6°F
- Total precipitation: 3.33"
#8. May 2005 (tie)
- Average temperature: 53.6°F
- Monthly high temperature: 66.2°F
- Monthly low temperature: 41.1°F
- Total precipitation: 2.08"
#8. May 1935 (tie)
- Average temperature: 53.6°F
- Monthly high temperature: 65.6°F
- Monthly low temperature: 41.6°F
- Total precipitation: 3.1"
#7. May 1968
- Average temperature: 53.5°F
- Monthly high temperature: 64.2°F
- Monthly low temperature: 42.8°F
- Total precipitation: 6.39"
#5. May 1925 (tie)
- Average temperature: 52.9°F
- Monthly high temperature: 65.9°F
- Monthly low temperature: 40°F
- Total precipitation: 3.46"
#5. May 1907 (tie)
- Average temperature: 52.9°F
- Monthly high temperature: 64.7°F
- Monthly low temperature: 41.2°F
- Total precipitation: 3.12"
#4. May 1924
- Average temperature: 52.8°F
- Monthly high temperature: 63°F
- Monthly low temperature: 42.6°F
- Total precipitation: 5.91"
#3. May 1997
- Average temperature: 52.7°F
- Monthly high temperature: 64.8°F
- Monthly low temperature: 40.5°F
- Total precipitation: 3.96"
#2. May 1917
- Average temperature: 51.3°F
- Monthly high temperature: 61.4°F
- Monthly low temperature: 41.1°F
- Total precipitation: 3.71"
#1. May 1967
- Average temperature: 50.7°F
- Monthly high temperature: 62.3°F
- Monthly low temperature: 39°F
- Total precipitation: 4.74"
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This story was originally published May 5, 2026 at 10:11 AM.