Mangaratiba, Brazil offers 20 beaches perfect for sunbathing, surfing, swimming, and more. Mangaratiba is known for its stunning beaches and as a gateway to the Costa Verde region. The best time to travel to Mangaratiba, Brazil, is from April to September, when the average air temperature ranges from 20°C to 26°C (68°F to 79°F) and the water temperature is around 23°C to 25°C (73°F to 77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!