Sun, sea & sand

South Padre Island, Texas weather in August

Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

92

Holiday weather in August

Excellent

Best time to visit: April – August, October

What is the weather like in South Padre Island, Texas in August?

In August, South Padre Island, Texas is hot: daytime highs average 31 °C, and even at night it stays warm at around 27 °C. The sea averages 28.6 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 9 rainy days and 48 mm in total. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is an excellent month for a holiday in South Padre Island, Texas.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score949276
Day31°31°30°
Night27°27°26°
Sea28°29°29°
Sun9 h9 h7 h
Rain days8916

More details for August

Daylight
13 h 5 min07:01 – 20:06
UV index
11 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
26 km/haverage daily peakAll months
Cloud cover
42 %on averageAll months
Hot days
26 days30 °C or moreAll months
Time zone
UTC−5America/Chicago

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %98 %
  • Few rainy daysweight 20 %64 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in August

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

South Padre Island, Texas in August: quick answers

Is South Padre Island, Texas hot in August?

Yes. In August, South Padre Island, Texas is hot: daytime highs average 31 °C and nights stay around 27 °C. On about 26 days the thermometer climbs to 30 °C or more.

Can you swim in South Padre Island, Texas in August?

Yes. In August the sea averages 28.6 °C – lovely and warm for swimming.

Does it rain much in South Padre Island, Texas in August?

Rain is frequent, with about 9 rainy days and 48 mm in total.

South Padre Island, Texas month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences