Sterling County Climate
Sterling County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
63.6°F
Annual Precip
20.9"
Annual Snowfall
1.9"
Extreme Heat Days
105
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,718
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Sterling County
Climate Verdict
Sterling County has a warm, averaging 63.6°F year-round, semi-arid conditions with only 20.9 inches of annual precipitation, significant summer heat with 104.5 days annually above 90°F, light snow averaging 1.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 43.7°F. summers are hot, with July averaging 82.3°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Sterling County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably drier, receiving 11.0 inches less precipitation than the state average.
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.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.