Knox County Climate
Knox County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
64.4°F
Annual Precip
25.6"
Annual Snowfall
2.8"
Extreme Heat Days
115
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
6,044
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Knox County
Climate Verdict
Knox County has a warm, averaging 64.4°F year-round, moderate rainfall of 25.6 inches per year, significant summer heat with 114.5 days annually above 90°F, light snow averaging 2.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 43.6°F. summers are hot, with July averaging 84.8°F. The 41°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
Knox County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably drier, receiving 6.3 inches less precipitation than the state average.
Climate Profile
About Knox County Weather
Knox County's North Central Heat
Knox County averages 64.4°F, roughly 10 degrees higher than the national median. It receives 25.6 inches of rain, trailing the state average of 31.9 inches.
Just Under the State Average
At 64.4°F, Knox is just under the 65.5°F Texas state average. It represents the classic semi-arid climate of North Central Texas.
Warmer than King County
Knox is warmer than King County, which averages 62.5°F. It also sees slightly less snow, with 2.8 inches compared to King's 3.3 inches.
Scorching July and Cool Winters
Extreme heat occurs 115 days a year, with July temperatures averaging 84.8°F. Winters are cool at 45.2°F, occasionally bringing 2.8 inches of snow to the region.
Budgeting for Temperature Swings
Budget for high electricity costs during the 115 days of extreme heat. Ensure your home is insulated against the January lows that average 43.6°F.
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.