Webb County Climate
Webb County, Texas
Avg Annual Temp
73.4°F
Annual Precip
21.6"
Annual Snowfall
0.2"
Extreme Heat Days
174.45
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.