Climate change in Calhoun County, Michigan
Since 1979, Calhoun County, Michigan has warmed 2.9°F, with about the same number of days above 90°F, 2 more nights above 70°F and 4% more precipitation a year. Its climate in 1996–2025 is most like Berrien County, MI's was in 1951–1980.
- Average temperature: +2.9°F
- Summer highs (Jun–Aug): +1.4°F
- Winter lows (Dec–Feb): +5.2°F
- Precipitation: +4%
- Wettest day of the year: +3%
- Longest dry spell: −1 days
- Days above 90°F: +0 days
- Nights above 70°F: +2 days
- Freezing nights: −18 days
- Frost-free season: +17 days
- Muggy days: −1 days
- Summer heat index (Jun–Aug): +1.4°F
- Extreme fire-weather days: +17 days
- Snowfall: −14%
- Snowy days (1 inch or more): +0 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.