Climate change in Okmulgee County, Oklahoma
Since 1979, Okmulgee County, Oklahoma has warmed 2.3°F, with 8 more days above 90°F, 11 more nights above 70°F and 3% more precipitation a year. Its climate in 1996–2025 is most like Pittsburg County, OK's was in 1951–1980.
- Average temperature: +2.3°F
- Summer highs (Jun–Aug): +0.1°F
- Winter lows (Dec–Feb): +2.9°F
- Precipitation: +3%
- Wettest day of the year: −13%
- Longest dry spell: +3 days
- Days above 90°F: +8 days
- Nights above 70°F: +11 days
- Freezing nights: −9 days
- Frost-free season: −2 days
- Muggy days: +13 days
- Summer heat index (Jun–Aug): +0.7°F
- Extreme fire-weather days: −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.