Austin County Climate
Austin County, Texas
Avg Annual Temp
69.1°F
Annual Precip
43.9"
Annual Snowfall
0.0"
Extreme Heat Days
106.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Austin County Weather
A warm, wet climate near the coast
Austin County averages 69.1°F annually, making it much warmer than the national median. It is a wet region, receiving 43.9 inches of rain, which is significantly higher than the national average.
Wetter and warmer than most of Texas
The county’s 69.1°F temperature is nearly 4 degrees higher than the state average of 65.5°F. With 43.9 inches of annual rain, it receives 12 more inches of precipitation than the average Texas county.
Gulf influence brings heat and rain
Austin County experiences 107 extreme heat days, slightly higher than its coastal neighbor Aransas. The 43.9 inches of rain supports a much greener landscape than the drier counties to the west.
Humid summers and snow-free winters
Summers are long with an average of 83.3°F and 107 days reaching at least 90°F. Winters are mild with a 53.8°F average and absolutely no recorded annual snowfall.
Prepare for humidity and zero snow
Cooling systems must be ready for 107 days of high heat, while winter gear remains largely unnecessary. The heavy 43.9 inches of rainfall requires excellent home drainage and routine gutter maintenance.
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.