Climate change in Greene County, Ohio
Since 1979, Greene County, Ohio has warmed 2.7°F, with 1 more days above 90°F, 4 more nights above 70°F and 8% more precipitation a year. Its climate in 1996–2025 is most like Montgomery County, MD's was in 1951–1980.
- Average temperature: +2.7°F
- Summer highs (Jun–Aug): +0.6°F
- Winter lows (Dec–Feb): +4.3°F
- Precipitation: +8%
- Wettest day of the year: +4%
- Longest dry spell: −3 days
- Days above 90°F: +1 days
- Nights above 70°F: +4 days
- Freezing nights: −17 days
- Frost-free season: +16 days
- Muggy days: +5 days
- Summer heat index (Jun–Aug): +0.6°F
- Extreme fire-weather days: +16 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.