Prainha de Mambucaba, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Prainha de Mambucaba is known for its picturesque beaches and tranquil atmosphere, making it a popular destination for beach tourism. The best time to travel to Prainha de Mambucaba, Brazil, is from April to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the water temperature is around 23°C to 26°C (73°F to 79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!