Climate change in Smith County, Texas
Since 1979, Smith County, Texas has warmed 2.6°F, with 16 more days above 90°F, 19 more nights above 70°F and 9% more precipitation a year. Its climate in 1996–2025 is most like Trinity County, TX's was in 1951–1980.
- Average temperature: +2.6°F
- Summer highs (Jun–Aug): +1.9°F
- Winter lows (Dec–Feb): +2.4°F
- Precipitation: +9%
- Wettest day of the year: +12%
- Longest dry spell: +3 days
- Days above 90°F: +16 days
- Nights above 70°F: +19 days
- Freezing nights: −6 days
- Frost-free season: +15 days
- Muggy days: +11 days
- Summer heat index (Jun–Aug): +2.3°F
- Extreme fire-weather days: +17 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.