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Aransas County Climate

JanFebMarAprMayJunJulAugSepOctNovDec71.5°AVG °F

Avg Annual Temp

71.5°F

Annual Precip

36.3"

Annual Snowfall

0.3"

Extreme Heat Days

86

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.6"
1.8"
2.5"
2.0"
3.5"
4.3"
2.9"
2.7"
4.9"
4.1"
3.0"
2.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9b

Minimum winter temperature range for plant survival

Growing Degree Days

7,973

Excellent for heat-loving crops

Last spring frost (32°F): 02/07
First fall frost (32°F): 12/13

Seasonal Overview

Comfort ZoneSpring65°78°8.0"Summer83°84°9.9"Fall65°81°12.0"Winter55°59°6.5"20°40°60°80°100°

National Comparison

Warmer than 98% of US counties
Wetter than 37% of US counties
More seasonal variation than 4% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Aransas County

Climate Verdict

Aransas County has a warm, averaging 71.5°F year-round, moderate rainfall of 36.3 inches per year, significant summer heat with 85.925 days annually above 90°F, light snow averaging 0.3 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 84.1°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

Aransas County is 6.0°F warmer than the Texas statewide average of 65.5°F, it is somewhat wetter than average for Texas, the county experiences 18.916873382675817 fewer extreme heat days than the state average.

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.

Frequently Asked Questions

What is the average temperature in Aransas County?
The average annual temperature in Aransas County, TX is 71.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Aransas County get?
Aransas County receives an average of 36.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Aransas County?
Yes, Aransas County receives an average of 0.3 inches of snowfall per year according to NOAA climate normals.
How hot does Aransas County get in summer?
The average summer temperature (June-August) in Aransas County is 83.8°F. The county experiences an average of 86 days per year above 90°F.
How cold are winters in Aransas County?
The average winter temperature (December-February) in Aransas County is 57.3°F. January, typically the coldest month, averages 55.2°F.

Track your own weather in Aransas County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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