Rockport, United States offers 24 beaches perfect for sunbathing, surfing, swimming, and more. Rockport, Texas, United States, is known for the Fulton Mansion State Historic Site and the Rockport Center for the Arts. The best time to travel to Rockport, United States, is from March to May, with average air temperatures ranging from 65°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!