Climate change in Rio Arriba County, New Mexico
Since 1979, Rio Arriba County, New Mexico has warmed 3.0°F, with 3 more days above 90°F, about the same number of nights above 70°F and 18% less precipitation a year. Its climate in 1996–2025 is most like Los Alamos County, NM's was in 1951–1980.
- Average temperature: +3.0°F
- Summer highs (Jun–Aug): +3.8°F
- Winter lows (Dec–Feb): +1.9°F
- Precipitation: −18%
- Wettest day of the year: +13%
- Longest dry spell: +7 days
- Days above 90°F: +3 days
- Nights above 70°F: +0 days
- Freezing nights: −13 days
- Frost-free season: +17 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +3.1°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.