Climate change in Chatham County, North Carolina
Since 1979, Chatham County, North Carolina has warmed 2.4°F, with 3 more days above 90°F, 20 more nights above 70°F and 2% more precipitation a year. Its climate in 1996–2025 is most like Wayne County, NC's was in 1951–1980.
- Average temperature: +2.4°F
- Summer highs (Jun–Aug): +0.8°F
- Winter lows (Dec–Feb): +4.1°F
- Precipitation: +2%
- Wettest day of the year: −0%
- Longest dry spell: +1 days
- Days above 90°F: +3 days
- Nights above 70°F: +20 days
- Freezing nights: −18 days
- Frost-free season: +27 days
- Muggy days: +12 days
- Summer heat index (Jun–Aug): +1.0°F
- Extreme fire-weather days: +2 days
- Snowfall: −65%
- Snowy days (1 inch or more): −1 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.