Climate change in Mariposa County, California
Since 1979, Mariposa County, California has warmed 2.3°F, with 23 more days above 90°F, 1 more nights above 70°F and 21% less precipitation a year. Its climate in 1996–2025 is most like Madera County, CA's was in 1951–1980.
- Average temperature: +2.3°F
- Summer highs (Jun–Aug): +4.1°F
- Winter lows (Dec–Feb): +1.4°F
- Precipitation: −21%
- Wettest day of the year: −2%
- Longest dry spell: +16 days
- Days above 90°F: +23 days
- Nights above 70°F: +1 days
- Freezing nights: −12 days
- Frost-free season: −2 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +3.4°F
- Extreme fire-weather days: +34 days
- Snowfall: +20%
- 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.