Cass County Climate
Cass County, Texas
Avg Annual Temp
64.4°F
Annual Precip
50.6"
Annual Snowfall
1.0"
Extreme Heat Days
87.35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cass County Weather
A Subtropical East Texas Climate
Cass County's annual average of 64.4°F is significantly warmer than the national median. This humid subtropical climate is defined by high moisture levels and consistent warmth throughout the year.
Wet and Mild for Texas
While the average temperature of 64.4°F is slightly below the Texas state average of 65.5°F, the moisture is extreme. The county receives 50.6 inches of rain annually, far exceeding the state average of 31.9 inches.
Lush Among its Neighbors
Compared to Cherokee County to the southwest, Cass is notably wetter with over two inches more annual precipitation. It shares the dense, humid environment typical of the Piney Woods region.
Long Summers and Mild Winters
The county endures 87 days above 90°F, contributing to a warm summer average of 81.8°F. Winters remain gentle with an average of 46.7°F and only a single inch of annual snowfall.
Prepare for High Humidity
Heavy rainfall and humidity mean residents should focus on mold prevention and gutter maintenance. With 50 inches of rain, reliable drainage is more important here than in most other parts of the state.
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.