Climate change in Fayette County, Ohio
Since 1979, Fayette County, Ohio has warmed 2.7°F, with 5 more days above 90°F, 3 more nights above 70°F and 11% more precipitation a year. Its climate in 1996–2025 is most like Dearborn County, IN's was in 1951–1980.
- Average temperature: +2.7°F
- Summer highs (Jun–Aug): +1.7°F
- Winter lows (Dec–Feb): +4.1°F
- Precipitation: +11%
- Wettest day of the year: −0%
- Longest dry spell: −1 days
- Days above 90°F: +5 days
- Nights above 70°F: +3 days
- Freezing nights: −16 days
- Frost-free season: +12 days
- Muggy days: +6 days
- Summer heat index (Jun–Aug): +2.1°F
- Extreme fire-weather days: +17 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.