Climate change in Cannon County, Tennessee
Since 1979, Cannon County, Tennessee has warmed 2.6°F, with 3 fewer days above 90°F, 12 more nights above 70°F and 9% more precipitation a year. Its climate in 1996–2025 is most like Murray County, GA's was in 1951–1980.
- Average temperature: +2.6°F
- Summer highs (Jun–Aug): −0.3°F
- Winter lows (Dec–Feb): +4.6°F
- Precipitation: +9%
- Wettest day of the year: +10%
- Longest dry spell: −1 days
- Days above 90°F: −3 days
- Nights above 70°F: +12 days
- Freezing nights: −19 days
- Frost-free season: +18 days
- Muggy days: +6 days
- Summer heat index (Jun–Aug): −0.3°F
- Extreme fire-weather days: +3 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.