Knox County Climate
Knox County, Texas
Avg Annual Temp
64.4°F
Annual Precip
25.6"
Annual Snowfall
2.8"
Extreme Heat Days
114.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.