Brownsville, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Brownsville is known for its proximity to South Padre Island, a popular destination for beach tourism. The best time to travel to Brownsville, United States, is from November to April, with average air temperatures ranging from 60°F to 80°F and water temperatures around 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!