Hottest months in Hillsborough County, NH 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 months in Hillsborough County 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 county temperature, county-wide highs and lows for the month, and the total precipitation.
#9. July 2022 (tie)
- Average temperature: 72.5°F
- Monthly high temperature: 84.7°F
- Monthly low temperature: 60.2°F
- Total precipitation: 2.93"
#9. July 2006 (tie)
- Average temperature: 72.5°F
- Monthly high temperature: 83.1°F
- Monthly low temperature: 61.8°F
- Total precipitation: 4.51"
#9. July 1994 (tie)
- Average temperature: 72.5°F
- Monthly high temperature: 83.5°F
- Monthly low temperature: 61.5°F
- Total precipitation: 4.17"
#7. July 2018 (tie)
- Average temperature: 72.8°F
- Monthly high temperature: 85.0°F
- Monthly low temperature: 60.7°F
- Total precipitation: 5.51"
#7. July 1911 (tie)
- Average temperature: 72.8°F
- Monthly high temperature: 85.8°F
- Monthly low temperature: 59.7°F
- Total precipitation: 4.24"
#6. August 2022
- Average temperature: 73.1°F
- Monthly high temperature: 84.9°F
- Monthly low temperature: 61.3°F
- Total precipitation: 1.96"
#5. July 1955
- Average temperature: 73.2°F
- Monthly high temperature: 86.8°F
- Monthly low temperature: 59.6°F
- Total precipitation: 1.34"
#2. July 2019 (tie)
- Average temperature: 73.3°F
- Monthly high temperature: 85.2°F
- Monthly low temperature: 61.3°F
- Total precipitation: 4.47"
#2. July 2013 (tie)
- Average temperature: 73.3°F
- Monthly high temperature: 83.3°F
- Monthly low temperature: 63.3°F
- Total precipitation: 4.68"
#2. July 2010 (tie)
- Average temperature: 73.3°F
- Monthly high temperature: 85.4°F
- Monthly low temperature: 61.1°F
- Total precipitation: 2.19"
#1. July 2020
- Average temperature: 73.8°F
- Monthly high temperature: 84.6°F
- Monthly low temperature: 63.0°F
- Total precipitation: 4.43"
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