Climate change in Butte County, California
Since 1979, Butte County, California has warmed 2.7°F, with 29 more days above 90°F, 3 more nights above 70°F and 19% less precipitation a year. Its climate in 1996–2025 is most like Yuba County, CA's was in 1951–1980.
- Average temperature: +2.7°F
- Summer highs (Jun–Aug): +4.4°F
- Winter lows (Dec–Feb): +1.5°F
- Precipitation: −19%
- Wettest day of the year: −23%
- Longest dry spell: +23 days
- Days above 90°F: +29 days
- Nights above 70°F: +3 days
- Freezing nights: −10 days
- Frost-free season: +3 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +3.7°F
- Extreme fire-weather days: +31 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.