South Padre Island (TX) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit South Padre Island.

Climate overview of South Padre Island

The climate in South Padre Island, Texas, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in August to 18°C (64°F) in January.

The city receives around 626 mm (25 in) of rainfall per year. It experiences a distinct dry season from February to April, with very warm summers and pleasant winters. September is the wettest month and August the driest. The most sunshine falls in July, with an average of 10.9 hours of daily sunshine.

South Padre Island Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in South Padre Island - and find the best time to visit.

Monthly Temperature in South Padre Island

In South Padre Island, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a pleasant 18°C (64°F) in January.

Nighttime temperatures range from 25°C (77°F) in August to 11°C (52°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in South Padre Island

On average, South Padre Island receives a reasonable amount of rainfall, with an annual precipitation of 626 mm (25 in). The seasons in South Padre Island bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 156 mm (6.1 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 26 mm (1 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our South Padre Island Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in South Padre Island

In South Padre Island, summer days are longer and more sunny, with daily sunshine hours peaking at 10.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. January 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

Data from: Brownsville, the United States of America (35 KM, 21 Miles).

Daily hours of sunshine

Data from: Brownsville, the United States of America (35 KM, 21 Miles).

Humidity in South Padre Island by Month

Best Time to Visit South Padre Island

For comfortable weather, consider visiting South Padre Island in February, March, April, May, June, July, October, November and December. Conditions are usually least favourable in September.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: February, March, April, May, June, July, October, November and December
  • Warmest weather: June, July, August and September
  • Most sunshine: July
  • Wettest months: September, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from February to April, with very warm summers and pleasant winters

Frequently asked questions about the climate in South Padre Island

What is the best time to visit South Padre Island?

February, March, April, May, June, July, October, November and December typically offer the most optimal weather in South Padre Island. In contrast, September tends to have less optimal conditions. South Padre Island has a distinct dry season from February to April, with very warm summers and pleasant winters.

What temperatures can I expect in South Padre Island?

Daytime highs range from 18°C (64°F) in January to 30°C (86°F) in August. Nighttime lows range from 11°C (52°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does South Padre Island get?

Annual rainfall is around 626 mm (25 in). September is the wettest month with 156 mm (6.1 in), while August is the driest with 26 mm (1 in).

How sunny is South Padre Island?

South Padre Island receives around 2,715 hours of sunshine per year. July is the sunniest month with 326 hours, while January is the cloudiest with just 133 hours. Overall, South Padre Island enjoys abundant sunshine.

South Padre Island 3-Day Forecast

South Padre Island (TX) 3-Day Forecast

South Padre Island on the map

South Padre Island is highlighted - select any city to see its climate.

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