Port Aransas (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Aransas.
Climate overview of Port Aransas
Port Aransas, Texas, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 17°C (63°F) in January.
The city receives around 844 mm (33 in) of rainfall per year. September is the wettest month and February the driest. The most sunshine falls in July, with an average of 11.0 hours of daily sunshine.
Port Aransas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Aransas — and find the best time to visit.
Monthly Temperature in Port Aransas
Depending on the time of the year, temperatures range from very warm to moderate in Port Aransas. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a moderate 17°C (63°F) in January.
Nighttime temperatures range from 27°C (81°F) in August to 10°C (50°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Aransas
Generally, Port Aransas has a moderate amount of precipitation, averaging 844 mm (33 in) of rainfall annually. The seasons in Port Aransas bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 153 mm (6 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 35 mm (1.4 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Port Aransas Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Port Aransas
In Port Aransas, summer days are longer and more sunny, with daily sunshine hours peaking at 11.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Port Aransas by Month
The relative humidity is high throughout the year in Port Aransas.
The city experiences its highest humidity in May, reaching 79%. In March, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Port Aransas
Rainfall during this time ranges from 35 mm (1.4 in) in February to 111 mm (4.4 in) in May. This means you can expect a mix of sunny days and occasional showers. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Port Aransas
What is the best time to visit Port Aransas?
March, April, October and November typically offer the most optimal weather in Port Aransas. In contrast, July and September tend to have less optimal conditions.
What temperatures can I expect in Port Aransas?
Daytime highs range from 17°C (63°F) in January to 32°C (90°F) in August. Nighttime lows range from 10°C (50°F) to 27°C (81°F). Temperatures vary considerably through the year.
How much rain does Port Aransas get?
Annual rainfall is around 844 mm (33 in). September is the wettest month with 153 mm (6 in), while February is the driest with 35 mm (1.4 in).
How sunny is Port Aransas?
Port Aransas receives around 2,648 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 133 hours. Overall, Port Aransas enjoys abundant sunshine.
Port Aransas 3-Day Forecast
Port Aransas (TX) 3-Day Forecast
Port Aransas on the map
Port Aransas is highlighted — select any city to see its climate.
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