Climate change in Grundy County, Tennessee
Since 1979, Grundy County, Tennessee has warmed 2.5°F, with 6 fewer days above 90°F, 3 more nights above 70°F and 17% more precipitation a year. Its climate in 1996–2025 is most like Gilmer County, GA's was in 1951–1980.
- Average temperature: +2.5°F
- Summer highs (Jun–Aug): −0.4°F
- Winter lows (Dec–Feb): +4.9°F
- Precipitation: +17%
- Wettest day of the year: +5%
- Longest dry spell: −1 days
- Days above 90°F: −6 days
- Nights above 70°F: +3 days
- Freezing nights: −19 days
- Frost-free season: +15 days
- Muggy days: +6 days
- Summer heat index (Jun–Aug): −0.6°F
- Extreme fire-weather days: +11 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.