Brewster County Climate
Brewster County, Texas
Avg Annual Temp
67.9°F
Annual Precip
12.0"
Annual Snowfall
0.6"
Extreme Heat Days
144.2076923076923
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Brewster County Weather
Arid Heat in the High Desert
Brewster County averages 67.9°F annually, staying well above the national median temperature. With only 12.0 inches of annual precipitation, it is one of the driest counties in the United States.
A Dry Outlier in the Lone Star State
While its average temperature of 67.9°F is close to the state average of 65.5°F, its rainfall is remarkably low. The county receives only about one-third of the 31.9 inches of rain typical for Texas.
The Epicenter of High Heat Days
Brewster County faces a staggering 144 days of extreme heat, far more than central or eastern counties. It represents the quintessential desert climate of Far West Texas, characterized by intense sun and minimal moisture.
Intense Sun and Brisk Desert Nights
July averages 83.4°F, but the dry air leads to 144 days of 90°F+ heat annually. Winters are cool and dry, averaging 51.1°F with a meager 0.6 inches of annual snowfall.
Water Conservation and Sun Protection
Strategic water storage and xeriscaping are vital in a region with only 12 inches of rain. UV protection and hydration are daily essentials for managing the nearly five months of extreme heat.
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.