Sterling County Climate
Sterling County, Texas
Avg Annual Temp
63.6°F
Annual Precip
20.9"
Annual Snowfall
1.9"
Extreme Heat Days
104.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Sterling County Weather
Dry and Warm West Texas Climate
Sterling County's 63.6°F average annual temperature sits nearly 10 degrees higher than the national median. It is a dry region, receiving only 20.9 inches of precipitation annually, which is roughly 10 inches below the Texas average.
A Cooler Corner of the State
Despite the heat, Sterling's 63.6°F annual average is roughly two degrees cooler than the Texas statewide average. It is significantly drier than the state average, recording 11 inches less rain than the 31.9-inch Texas norm.
Drier and Snowier than Eastern Peers
Sterling is much drier than Tarrant County, receiving 16 inches less rain per year. It records 1.9 inches of snow, slightly more than the 1.6 inches seen in nearby Stephens County.
Extended Heat with Arid Nights
The county endures 105 days of extreme heat over 90°F, though summer averages stay around 81.2°F. Winters are dry and cool, averaging 45.3°F with nearly 2 inches of snow annually.
Focus on Water and Dust Management
The low 20.9-inch rainfall and high heat days make water conservation and dust control essential for residents. Ensure home insulation can handle the 105 days of extreme heat as well as occasional winter freezes.
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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.