San Augustine County Climate
San Augustine County, Texas
Avg Annual Temp
65.4°F
Annual Precip
53.9"
Annual Snowfall
0.2"
Extreme Heat Days
95.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About San Augustine County Weather
Warm and Exceptionally Wet
San Augustine County averages 65.4°F annually, nearly identical to the Texas state average of 65.5°F. It is much warmer than the national median and significantly wetter than most U.S. counties.
Rainfall Far Above State Norms
The county receives 53.9 inches of rain, which is 22 inches more than the Texas average of 31.9. Its temperature profile is standard for the state, ranking right in the middle at 65.4°F.
Classic East Texas Humidity
Like neighboring Sabine and Shelby counties, San Augustine experiences a humid subtropical climate. It sees negligible snowfall, averaging only 0.2 inches per year.
Ninety-Six Days of High Heat
Summer temperatures peak with a July average of 82.0°F and 96 days of extreme heat. Winters are short and mild, with a December to February average of 49.1°F.
Combat Humidity and Heat
Residents should prepare for nearly 100 days of temperatures above 90°F with efficient cooling systems. The 53.9 inches of annual rain also requires regular home maintenance to prevent mold and water damage.
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.