Climate change in Santa Cruz County, California
Since 1979, Santa Cruz County, California has warmed 2.1°F, with 6 more days above 90°F, about the same number of nights above 70°F and 13% less precipitation a year.
- Average temperature: +2.1°F
- Summer highs (Jun–Aug): +2.5°F
- Winter lows (Dec–Feb): +1.3°F
- Precipitation: −13%
- Wettest day of the year: −15%
- Longest dry spell: +27 days
- Days above 90°F: +6 days
- Nights above 70°F: +0 days
- Freezing nights: −3 days
- Frost-free season: +7 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +2.6°F
- Extreme fire-weather days: +28 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.