Austin County Climate
Austin County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
69.1°F
Annual Precip
43.9"
Annual Snowfall
0.0"
Extreme Heat Days
107
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
7,239
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Austin County
Climate Verdict
Austin County has a warm, averaging 69.1°F year-round, moderately wet with 43.9 inches of annual precipitation, significant summer heat with 106.5 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 51.8°F. summers are hot, with July averaging 84.0°F. The 32°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Austin County is 3.6°F warmer than the Texas statewide average of 65.5°F, it is also noticeably wetter, receiving 12.0 inches more precipitation than the state average.
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 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.