Climate change in Jackson County, Colorado
Since 1979, Jackson County, Colorado has warmed 1.8°F, with about the same number of days above 90°F, about the same number of nights above 70°F and 9% less precipitation a year. Its climate in 1996–2025 is most like Custer County, ID's was in 1951–1980.
- Average temperature: +1.8°F
- Summer highs (Jun–Aug): +2.5°F
- Winter lows (Dec–Feb): +0.9°F
- Precipitation: −9%
- Wettest day of the year: −19%
- Longest dry spell: +0 days
- Days above 90°F: +0 days
- Nights above 70°F: +0 days
- Freezing nights: −11 days
- Frost-free season: +16 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +2.6°F
- Extreme fire-weather days: +19 days
- Snowfall: +31%
- Snowy days (1 inch or more): +5 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.