Trinity County Climate
Trinity County, Texas
Avg Annual Temp
68.2°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
115.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Trinity County Weather
Warm Days in the Piney Woods
Trinity County’s 68.2°F annual average is significantly higher than the national median. The region's dense forests trap humidity, making the 115 extreme heat days feel even more intense.
Above the Texas Temperature Mean
At 68.2°F, Trinity County is nearly three degrees warmer than the Texas state average. While local precipitation data is limited, the county is part of a high-rainfall eastern corridor.
Consistent East Texas Warmth
Trinity shares the high-heat profile of neighboring Houston and Walker counties. Its 115 extreme heat days are typical for the low-lying, humid timberlands of the region.
Steamy Summers and Soft Winters
Summer averages 83.2°F, but the 115 days over 90°F define the climate. Winters remain quite warm, with a December-February average of 52.2°F and no significant recorded snowfall.
Combat Humidity and Heat
With 115 days of extreme heat, residents should ensure HVAC systems are rated for high-humidity environments. Shade-heavy landscaping is particularly effective in the Piney Woods to lower cooling costs.
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.