Gaines County Climate
Gaines County, Texas
Avg Annual Temp
61.7°F
Annual Precip
17.2"
Annual Snowfall
4.8"
Extreme Heat Days
96.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Gaines County Weather
High Desert West Texas
Gaines County has an annual average temperature of 61.7°F, which is milder than many southern counties. However, its 17.2 inches of annual rain marks it as an exceptionally dry, semi-arid environment.
Dry and Temperate Plains
At 61.7°F, Gaines is nearly 4 degrees cooler than the Texas state average. It is also one of the driest counties in the state, receiving only about half of the 31.9-inch Texas average rainfall.
Typical West Texas Aridity
Gaines shares the low-moisture, high-sunlight profile of the Permian Basin and Llano Estacado. It receives significantly more snow than Central Texas neighbors but far less rain than East Texas.
Hot Afternoons and Snow
Summers are hot with 97 days reaching 90°F, while July averages 80.6°F. Winters are cold and dry, featuring 4.8 inches of annual snowfall and an average winter temperature of 43.6°F.
Brace for Low Humidity
Residents must plan for 97 days of extreme heat by using swamp coolers or high-efficiency AC. Winter weather preparation is also necessary to handle the 4.8 inches of snow that periodically covers the plains.
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.