Climate change in McLennan County, Texas
Since 1979, McLennan County, Texas has warmed 2.9°F, with 24 more days above 90°F, 19 more nights above 70°F and 6% more precipitation a year. Its climate in 1996–2025 is most like Travis County, TX's was in 1951–1980.
- Average temperature: +2.9°F
- Summer highs (Jun–Aug): +2.6°F
- Winter lows (Dec–Feb): +1.9°F
- Precipitation: +6%
- Wettest day of the year: +38%
- Longest dry spell: +9 days
- Days above 90°F: +24 days
- Nights above 70°F: +19 days
- Freezing nights: −2 days
- Frost-free season: +15 days
- Muggy days: +5 days
- Summer heat index (Jun–Aug): +3.0°F
- Extreme fire-weather days: +19 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.