Climate change in DeKalb County, Alabama
Since 1979, DeKalb County, Alabama has warmed 2.4°F, with 7 fewer days above 90°F, 10 more nights above 70°F and 3% more precipitation a year. Its climate in 1996–2025 is most like Stephens County, GA's was in 1951–1980.
- Average temperature: +2.4°F
- Summer highs (Jun–Aug): −0.6°F
- Winter lows (Dec–Feb): +4.6°F
- Precipitation: +3%
- Wettest day of the year: −4%
- Longest dry spell: +0 days
- Days above 90°F: −7 days
- Nights above 70°F: +10 days
- Freezing nights: −21 days
- Frost-free season: +30 days
- Muggy days: +3 days
- Summer heat index (Jun–Aug): −1.6°F
- Extreme fire-weather days: +14 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.