Mambucaba, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mambucaba is known for its proximity to the historic town of Paraty and the beautiful beaches of Ilha Grande. The best time to travel to Mambucaba, Brazil, is from April to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 70-75°F (21-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!