Climate change in Champaign County, Ohio
Since 1979, Champaign County, Ohio has warmed 2.2°F, with 3 fewer days above 90°F, 1 more nights above 70°F and 13% more precipitation a year. Its climate in 1996–2025 is most like Clinton County, OH's was in 1951–1980.
- Average temperature: +2.2°F
- Summer highs (Jun–Aug): +0.1°F
- Winter lows (Dec–Feb): +3.7°F
- Precipitation: +13%
- Wettest day of the year: +6%
- Longest dry spell: −2 days
- Days above 90°F: −3 days
- Nights above 70°F: +1 days
- Freezing nights: −13 days
- Frost-free season: +20 days
- Muggy days: +4 days
- Summer heat index (Jun–Aug): +0.1°F
- Extreme fire-weather days: +12 days
- Snowfall: −4%
- 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.