Cass County Climate
Cass County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
64.4°F
Annual Precip
50.6"
Annual Snowfall
1.0"
Extreme Heat Days
87
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
5,938
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cass County
Climate Verdict
Cass County has a warm, averaging 64.4°F year-round, moderately wet with 50.6 inches of annual precipitation, significant summer heat with 87.35 days annually above 90°F, light snow averaging 1.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 44.6°F. summers are hot, with July averaging 83.0°F. The 38°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
Cass County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 18.8 inches more precipitation than the state average, the county experiences 17.49187338267582 fewer extreme heat days than the state average.
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 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.