Pecos County Climate
Pecos County, Texas
Avg Annual Temp
66.1°F
Annual Precip
14.0"
Annual Snowfall
1.1"
Extreme Heat Days
128.725
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Pecos County Weather
Arid Heat in the Trans-Pecos Region
Pecos County averages 66.1°F annually, significantly warmer than the national median. It is exceptionally dry, receiving just 14.0 inches of rain per year, which is far below national norms.
Hotter and Drier Than State Averages
Pecos County's average of 66.1°F exceeds the 65.5°F Texas state average. Its 14.0 inches of precipitation is less than half of the 31.9 inches typically seen across the state.
A Desert Climate Compared to the East
The county is far drier than East Texas neighbors like Polk or Panola. Its extreme heat and low rainfall define it as a true desert climate within the vast Texas landscape.
Punishing Summers and High Sun Exposure
Extreme heat is the norm with 129 days over 90°F and a July average of 83.1°F. Winters are mild at 48.8°F, seeing just 1.1 inches of snow annually amid the arid landscape.
Prioritize Sun Protection and Water Storage
With 129 days of extreme heat, residents must have high-performance cooling and sun protection. Strict water conservation is a way of life given the meager 14 inches of annual rainfall.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.