Climate change in Navajo County, Arizona
Since 1979, Navajo County, Arizona has warmed 2.8°F, with 29 more days above 90°F, about the same number of nights above 70°F and 27% less precipitation a year. Its climate in 1996–2025 is most like Bernalillo County, NM's was in 1951–1980.
- Average temperature: +2.8°F
- Summer highs (Jun–Aug): +4.1°F
- Winter lows (Dec–Feb): +0.2°F
- Precipitation: −27%
- Wettest day of the year: −22%
- Longest dry spell: +22 days
- Days above 90°F: +29 days
- Nights above 70°F: +0 days
- Freezing nights: −16 days
- Frost-free season: +6 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +2.9°F
- Extreme fire-weather days: +23 days
- Snowfall: −17%
- Snowy days (1 inch or more): −3 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.