Climate change in Carter County, Oklahoma
Since 1979, Carter County, Oklahoma has warmed 1.8°F, with 1 fewer days above 90°F, 16 more nights above 70°F and 3% less precipitation a year. Its climate in 1996–2025 is most like Marshall County, OK's was in 1951–1980.
- Average temperature: +1.8°F
- Summer highs (Jun–Aug): −0.4°F
- Winter lows (Dec–Feb): +3.0°F
- Precipitation: −3%
- Wettest day of the year: −5%
- Longest dry spell: +3 days
- Days above 90°F: −1 days
- Nights above 70°F: +16 days
- Freezing nights: −11 days
- Frost-free season: +5 days
- Muggy days: +12 days
- Summer heat index (Jun–Aug): −0.7°F
- Extreme fire-weather days: +8 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.