Climate change in Carroll County, New Hampshire
Since 1979, Carroll County, New Hampshire has warmed 2.9°F, with 3 more days above 90°F, about the same number of nights above 70°F and 9% more precipitation a year. Its climate in 1996–2025 is most like Berkshire County, MA's was in 1951–1980.
- Average temperature: +2.9°F
- Summer highs (Jun–Aug): +1.6°F
- Winter lows (Dec–Feb): +6.2°F
- Precipitation: +9%
- Wettest day of the year: −1%
- Longest dry spell: +2 days
- Days above 90°F: +3 days
- Nights above 70°F: +0 days
- Freezing nights: −12 days
- Frost-free season: +26 days
- Muggy days: +6 days
- Summer heat index (Jun–Aug): +2.3°F
- Extreme fire-weather days: +14 days
- Snowfall: +12%
- Snowy days (1 inch or more): +0 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.