South Padre Island in May typically experiences warm and sunny conditions, marking the transition from spring to summer. Average high temperatures range from the low to mid-80s Fahrenheit (around 28-30 degrees Celsius), while average lows hover in the low 70s Fahrenheit (around 22-24 degrees Celsius). The Gulf of Mexico water temperature is generally pleasant for swimming, reaching the low to mid-70s Fahrenheit. Rainfall is relatively low in May, making it a generally dry month suitable for outdoor activities.
This period offers an ideal climate for visitors seeking beach vacations, watersports, and outdoor recreation. The agreeable temperatures and sunshine create comfortable conditions for swimming, sunbathing, fishing, and exploring the island’s natural beauty. Historically, May has been a popular time to visit South Padre Island due to this favorable weather, preceding the peak summer crowds and offering a more tranquil experience.