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Best time to visit Port Aransas, TX, USA

Our verdict

The best time to visit Port Aransas is September-November

When’s the best time to visit Port Aransas, you ask? Based on several factors like the weather and climate, cost of flights and hotels, peak travel seasons and much more, the best time to go to Port Aransas is September-November.

The warmest month of the year in Port Aransas is August, where the average temperature gets to around 30℃ (87℉), but temperatures can reach as high as 31℃ (88℉) on the hottest days in summer. In the winter months, it can get down to as low as 10℃ (51℉) at night.

The longest days between sunrise and sunset in Port Aransas are usually in July, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. On average it rains the most days in September, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

Keep reading to find all the info you need (and none of the stuff you don’t) about the best times to go to Port Aransas. By the time you get to the bottom, you’ll be ready to start booking your trip.

Warmest month

August

Least rainfall

February

Most daylight

July

Port Aransas seasons

Before you continue, it’s important to know when the seasons are in Port Aransas as they might be different to yours depending on where in the world you’re travelling from. Port Aransas is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Port Aransas

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Port Aransas for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Port Aransas climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Port Aransas for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Port Aransas in January

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 17℃ (63℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 75%
  • Average sunny days: 20 days
  • Average rainfall: 18mm (1") over 8 days
20 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Port Aransas in January, make sure you pack a light jumper or hoodie.


Port Aransas in February

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 18℃ (65℉)
  • Average low temperature: 14℃ (58℉)
  • Average humidity: 80%
  • Average sunny days: 18 days
  • Average rainfall: 13mm (1") over 8 days
18 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Port Aransas in February, make sure you pack a light jumper or hoodie.


Port Aransas in March

  • Average temperature: 19℃ (66℉)
  • Average high temperature: 21℃ (69℉)
  • Average low temperature: 17℃ (63℉)
  • Average humidity: 81%
  • Average sunny days: 21 days
  • Average rainfall: 13mm (1") over 8 days
21 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Port Aransas in March, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Port Aransas in April

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 24℃ (74℉)
  • Average low temperature: 21℃ (69℉)
  • Average humidity: 80%
  • Average sunny days: 18 days
  • Average rainfall: 20mm (1") over 10 days
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Port Aransas in April, make sure you pack t-shirts and light clothing.


Port Aransas in May

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 26℃ (80℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 81%
  • Average sunny days: 19 days
  • Average rainfall: 25mm (1") over 9 days
19 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Port Aransas in May, make sure you pack t-shirts and light clothing.


Port Aransas in June

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 79%
  • Average sunny days: 15 days
  • Average rainfall: 38mm (2") over 11 days
15 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Port Aransas in June, make sure you pack t-shirts and light clothing.


Port Aransas in July

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 28℃ (81℉)
  • Average humidity: 78%
  • Average sunny days: 20 days
  • Average rainfall: 26mm (1") over 9 days
20 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Port Aransas in July, make sure you pack t-shirts and light clothing.


Port Aransas in August

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 76%
  • Average sunny days: 18 days
  • Average rainfall: 30mm (1") over 10 days
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Port Aransas in August, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Port Aransas in September

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 75%
  • Average sunny days: 10 days
  • Average rainfall: 76mm (3") over 18 days
10 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Port Aransas in September, make sure you pack t-shirts and light clothing.

Port Aransas in October

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 26℃ (80℉)
  • Average low temperature: 23℃ (73℉)
  • Average humidity: 73%
  • Average sunny days: 17 days
  • Average rainfall: 46mm (2") over 12 days
17 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Port Aransas in October, make sure you pack t-shirts and light clothing.


Port Aransas in November

  • Average temperature: 20℃ (68℉)
  • Average high temperature: 22℃ (71℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 75%
  • Average sunny days: 16 days
  • Average rainfall: 25mm (1") over 10 days
16 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Port Aransas in November, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Port Aransas in December

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 18℃ (65℉)
  • Average low temperature: 14℃ (57℉)
  • Average humidity: 78%
  • Average sunny days: 18 days
  • Average rainfall: 25mm (1") over 10 days
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Port Aransas in December, make sure you pack a light jumper or hoodie.


Top FAQs

The hottest month of the year in Port Aransas is usually August, where temperatures tend to rise to around 30℃ (87℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Port Aransas is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in Port Aransas is generally around September, although the wetter season can sometimes extend a few months either side of September too.
If you want to get the most out of your time visiting Port Aransas, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Port Aransas map