Aransas County Climate
Aransas County, Texas
Avg Annual Temp
71.5°F
Annual Precip
36.3"
Annual Snowfall
0.3"
Extreme Heat Days
85.925
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Aransas County Weather
Coastal warmth far exceeds national norms
Aransas County's 71.5°F annual average temperature is nearly 17 degrees higher than the national median. Its 36.3 inches of rain puts it slightly above the national average for precipitation, characteristic of the Gulf Coast.
Significantly warmer than the Texas average
With an annual average of 71.5°F, this county is much hotter than the state average of 65.5°F. This reflects its southern coastal position where the January average rarely drops below 55.2°F.
Mild winters distinguish the coast
Aransas enjoys a much warmer winter than inland neighbors, with a December-February average of 57.3°F. It also receives 36.3 inches of rain, which is over 4 inches more than the typical Texas county.
Consistently warm with minimal frost
Summer heat is tempered slightly by the ocean but still hits 90°F on 86 days per year. Snow is almost non-existent at 0.3 inches, and the winter average of 57.3°F is exceptionally mild for the state.
Plan for coastal heat and storms
Year-round air conditioning is common since extreme heat persists for 86 days and winters are very warm. Outdoor planning should account for the 36.3 inches of rain, often delivered in heavy tropical bursts.
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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.