San Patricio County Climate
San Patricio County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
71.0°F
Annual Precip
34.7"
Annual Snowfall
0.2"
Extreme Heat Days
113
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
7,817
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: San Patricio County
Climate Verdict
San Patricio County has a warm, averaging 71.0°F year-round, moderate rainfall of 34.7 inches per year, significant summer heat with 112.9 days annually above 90°F, light snow averaging 0.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are exceptionally mild, with January averaging 55.2°F. summers are hot, with July averaging 83.8°F. The climate is remarkably stable year-round, with only a 29°F difference between January and July. 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
San Patricio County is 5.5°F warmer than the Texas statewide average of 65.5°F, it is somewhat wetter than average for Texas.
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 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.