Climate change in Glynn County, Georgia
Since 1979, Glynn County, Georgia has warmed 2.3°F, with 15 more days above 90°F, 25 more nights above 70°F and 8% less precipitation a year. Its climate in 1996–2025 is most like Harris County, TX's was in 1951–1980.
- Average temperature: +2.3°F
- Summer highs (Jun–Aug): +0.8°F
- Winter lows (Dec–Feb): +3.7°F
- Precipitation: −8%
- Wettest day of the year: +29%
- Longest dry spell: +2 days
- Days above 90°F: +15 days
- Nights above 70°F: +25 days
- Freezing nights: −8 days
- Frost-free season: +11 days
- Muggy days: +21 days
- Summer heat index (Jun–Aug): +2.2°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.