San Patricio County Climate
San Patricio County, Texas
Avg Annual Temp
71.0°F
Annual Precip
34.7"
Annual Snowfall
0.2"
Extreme Heat Days
112.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About San Patricio County Weather
A Subtropical Climate on the Gulf Coast
San Patricio County averages 71.0°F annually, significantly higher than the national median of approximately 55°F. This coastal region experiences a much warmer baseline temperature than most of the United States.
Warmer than the Texas State Average
The county's 71.0°F annual temperature sits 5.5 degrees above the Texas state average of 65.5°F. Its proximity to the Gulf of Mexico maintains high humidity and elevated year-round heat.
Wet and Warm Compared to Neighbors
At 34.7 inches of annual precipitation, the county is wetter than the state average of 31.9 inches. It shares a humid profile with its coastal neighbors but endures a high count of 113 extreme heat days.
Intense Summers and Non-Existent Winters
Summer temperatures average 83.5°F with 113 days reaching 90°F or higher. Winters are exceptionally mild at 57.2°F, and snowfall is rare, averaging only 0.2 inches annually.
Preparing for Coastal Heat and Humidity
Residents should invest in high-efficiency cooling systems to manage the frequent 90°F days. Outdoor activities are most comfortable during the mild winter months when temperatures average 57.2°F.
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.