Hottest Decembers in Pennsylvania since 1895
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In 2022, the continental United States experienced its , according to data from the National Oceanic and Atmospheric Administration, while 20 states saw one of their in the same month. The year prior, July marked the .
Climate change is driving rising temperatures and more record heat. The has climbed each decade since 1880 by about .14 degrees Fahrenheit, or roughly 2 degrees Fahrenheit total.
compiled a ranking of the hottest Decembers in Pennsylvania since 1895 using data from the . Rankings are based on the highest average temperature in each month. For each of the hottest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.
#10. December 2012
- Average temperature: 35.8°F
- Monthly high temperature: 42.8°F
- Monthly low temperature: 28.8°F
- Total precipitation: 5.24"
#9. December 1998
- Average temperature: 36°F
- Monthly high temperature: 45.3°F
- Monthly low temperature: 26.7°F
- Total precipitation: 1.46"
#8. December 1984
- Average temperature: 36.2°F
- Monthly high temperature: 44.7°F
- Monthly low temperature: 27.7°F
- Total precipitation: 3.28"
#7. December 2001
- Average temperature: 36.4°F
- Monthly high temperature: 44.6°F
- Monthly low temperature: 28.3°F
- Total precipitation: 2.66"
#6. December 1982
- Average temperature: 36.5°F
- Monthly high temperature: 44.9°F
- Monthly low temperature: 28.1°F
- Total precipitation: 2.21"
#5. December 1923
- Average temperature: 37.2°F
- Monthly high temperature: 44.7°F
- Monthly low temperature: 29.6°F
- Total precipitation: 4.88"
#4. December 2006
- Average temperature: 37.3°F
- Monthly high temperature: 46.4°F
- Monthly low temperature: 28.2°F
- Total precipitation: 2.31"
#3. December 2021
- Average temperature: 37.6°F
- Monthly high temperature: 45.8°F
- Monthly low temperature: 29.3°F
- Total precipitation: 2.43"
#2. December 2023
- Average temperature: 37.9°F
- Monthly high temperature: 45.1°F
- Monthly low temperature: 30.8°F
- Total precipitation: 4.5"
#1. December 2015
- Average temperature: 42.3°F
- Monthly high temperature: 50°F
- Monthly low temperature: 34.5°F
- Total precipitation: 4.1"
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