Climate change in Broomfield County, Colorado
Since 1979, Broomfield County, Colorado has warmed 2.1°F, with 22 more days above 90°F, about the same number of nights above 70°F and 7% less precipitation a year. Its climate in 1996–2025 is most like Pueblo County, CO's was in 1951–1980.
- Average temperature: +2.1°F
- Summer highs (Jun–Aug): +2.8°F
- Winter lows (Dec–Feb): +2.3°F
- Precipitation: −7%
- Wettest day of the year: −2%
- Longest dry spell: +2 days
- Days above 90°F: +22 days
- Nights above 70°F: +0 days
- Freezing nights: −16 days
- Frost-free season: +10 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +2.2°F
- Extreme fire-weather days: +37 days
- Snowfall: −14%
- Snowy days (1 inch or more): −2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.