Webb County Climate
Webb County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
73.4°F
Annual Precip
21.6"
Annual Snowfall
0.2"
Extreme Heat Days
174
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
8,650
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Webb County
Climate Verdict
Webb County has a hot, with an average annual temperature of 73.4°F, semi-arid conditions with only 21.6 inches of annual precipitation, extreme heat exposure with 174.45 days per year 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 56.4°F. summers are hot, with July averaging 87.2°F. The 31°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
Webb County is 7.9°F warmer than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 10.3 inches less precipitation than the state average, the county experiences 69.60812661732417 more extreme heat days than the state average.
Climate Profile
About Webb County Weather
Intense South Texas Thermal Peaks
Webb County is exceptionally warm, with a 73.4°F average that is nearly 20 degrees higher than the national median. This region experiences a level of consistent heat that is rare in the United States.
Among the State's Hottest Counties
The county's 73.4°F average makes it significantly hotter than the Texas state average of 65.5°F. It ranks as one of the warmest jurisdictions in the entire state.
Hotter and Drier Than Neighbors
Webb County receives only 21.6 inches of rain, which is much lower than the 31.9-inch state average. It is hotter and more arid than its coastal neighbors to the east.
Six Months of Extreme Heat
Summer conditions are intense, featuring 174 days above 90°F and a July average of 87.2°F. Even winter is warm, averaging 58.1°F from December to February with almost no snowfall.
Managing Year-Round High Temperatures
Robust HVAC maintenance is critical to surviving 174 days of extreme heat each year. Residents should also prioritize sun protection and hydration for outdoor activities given the high 87.0°F summer average.
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.