Climate change in Marshall County, Alabama
Since 1979, Marshall County, Alabama has warmed 2.8°F, with 7 fewer days above 90°F, 31 more nights above 70°F and 7% more precipitation a year. Its climate in 1996–2025 is most like Clayton County, GA's was in 1951–1980.
- Average temperature: +2.8°F
- Summer highs (Jun–Aug): −0.6°F
- Winter lows (Dec–Feb): +4.7°F
- Precipitation: +7%
- Wettest day of the year: −4%
- Longest dry spell: −1 days
- Days above 90°F: −7 days
- Nights above 70°F: +31 days
- Freezing nights: −22 days
- Frost-free season: +30 days
- Muggy days: +7 days
- Summer heat index (Jun–Aug): −0.5°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.