Climate change in Galveston County, Texas
Since 1979, Galveston County, Texas has warmed 3.6°F, with 41 more days above 90°F, 30 more nights above 70°F and 1% less precipitation a year. Its climate in 1996–2025 is most like Aransas County, TX's was in 1951–1980.
- Average temperature: +3.6°F
- Summer highs (Jun–Aug): +2.5°F
- Winter lows (Dec–Feb): +3.6°F
- Precipitation: −1%
- Wettest day of the year: −4%
- Longest dry spell: +0 days
- Days above 90°F: +41 days
- Nights above 70°F: +30 days
- Freezing nights: −4 days
- Frost-free season: +27 days
- Muggy days: +24 days
- Summer heat index (Jun–Aug): +4.7°F
- Extreme fire-weather days: +12 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.