South Padre Island (TX) Temperature by Month

South Padre Island, Texas, United States of America has an average annual maximum temperature of 25°C (77°F), ranging from 18°C (64°F) in January to 30°C (86°F) in August. Below you'll find a full monthly breakdown and a comparison with cities worldwide.

In South Padre Island, temperatures differ significantly between summer and winter months. Nighttime lows reflect this range, dropping from 25°C (77°F) in August to 11°C (52°F) in January.

The chart below illustrates the average maximum day and minimum night temperatures in South Padre Island by month:

The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest. August, the warmest month, gets 307 hours of sunshine.

The chart below shows the average temperature throughout the year:

South Padre Island's average annual maximum temperature is 25°C (77°F). To put that in context, here's how it compares to a few well-known destinations:

Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.

Queenstown, New Zealand averages 10°C (50°F) annually, remember seasons are flipped, so its coldest months fall in June and July.

Seoul, South Korea averages 18°C (64°F) a year, with four clear seasons, cold winters, and hot humid summers.

Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.

Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.

In South Padre Island, January is the coolest month, with average highs of 18°C (64°F) and humidity around 78%, considered high. In August, the warmest month, temperatures average 30°C (86°F) with 73% humidity, conditions that feel high. For a full picture, see our humidity page.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained, so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.

For more on South Padre Island's weather, including monthly rainfall, sunshine hours, and humidity, visit our South Padre Island climate page.