Climate change in Duval County, Florida
Since 1979, Duval County, Florida has warmed 3.2°F, with 24 more days above 90°F, 40 more nights above 70°F and 3% less precipitation a year. Its climate in 1996–2025 is most like Volusia County, FL's was in 1951–1980.
- Average temperature: +3.2°F
- Summer highs (Jun–Aug): +1.4°F
- Winter lows (Dec–Feb): +4.8°F
- Precipitation: −3%
- Wettest day of the year: +54%
- Longest dry spell: +6 days
- Days above 90°F: +24 days
- Nights above 70°F: +40 days
- Freezing nights: −9 days
- Frost-free season: +44 days
- Muggy days: +22 days
- Summer heat index (Jun–Aug): +3.0°F
- Extreme fire-weather days: +2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.