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Average Temperatures & Seasonal Weather

The weather in Port Aransas is warm most of the year, with a variation of about 25 degrees from the coolest winter days to the hottest summer days. A consistent Gulf of Mexico breeze keeps this area much cooler than in-land Texas, making it a mecca for Lone Star residents looking to beat the heat. Port Aransas does experience hurricane season from September through November.

Port Aransas Winter Highs/Lows & Precipitation

Winter Texans know this secret well, Port Aransas is mild and clear throughout the winter, with 3-4 days of precipitation per month throughout the whole season. Escape the Northern bitter cold and snow along the beautiful Gulf of Mexico.

  • December - 66° / 53°; 4 days
  • January - 63° / 51°; 4 days
  • February- 66° / 54°; 3 days
sea bird diving above the gulf of mexico
palm tree in port aransas harbor

Port Aransas Spring Highs/Lows & Precipitation

Spring in Port Aransas is lovely.  The days are longer and the warmer temperatures are on the rise, with averages in the mid-70s. This is typically the post popular time of year to visit.

  • March - 71° / 60°; 3 days
  • April - 77° / 67°; 3 days
  • May - 83° / 74°; 3 days

Port Aransas Summer Highs/Lows & Precipitation

The weather is hot, but not too hot—thanks to gulf breezes. In comparison to sweltering inland temperatures across the south, Port Aransas' average summer temps in the high 80s are a welcome relief. 

  • June - 88° / 79°; 4 days
  • July - 89° / 80°; 3 days
  • August - 90° / 80°; 3 days
aerial shot of port a beach
aerial view of port a pier

Port Aransas Fall Highs/Lows & Precipitation

Fall is generally considered to be the rainy season in Port Aransas, but to put in perspective there's still only an average of 6 days of rain throughout the season. Hurricanes do frequent the area in September and October. That said, the weather is still incredible with sun and average temps in the  80s and mid-70s.

  • September - 88° / 77°; 7 days
  • October - 82° / 71°; 5 days
  • November - 74° / 61°; 4 days