Climate change in Mason County, Texas
Since 1979, Mason County, Texas has warmed 3.1°F, with 31 more days above 90°F, 41 more nights above 70°F and 6% less precipitation a year. Its climate in 1996–2025 is most like Llano County, TX's was in 1951–1980.
- Average temperature: +3.1°F
- Summer highs (Jun–Aug): +3.9°F
- Winter lows (Dec–Feb): +2.3°F
- Precipitation: −6%
- Wettest day of the year: +19%
- Longest dry spell: +4 days
- Days above 90°F: +31 days
- Nights above 70°F: +41 days
- Freezing nights: −10 days
- Frost-free season: +23 days
- Muggy days: +32 days
- Summer heat index (Jun–Aug): +4.7°F
- Extreme fire-weather days: +27 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.