Balneario Mongagua, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Balneario Mongagua is known for its extensive Praia de Mongagua and the Plataforma de Pesca, a popular fishing pier. The best time to travel to Balneario Mongagua, Brazil, is from December to March, with average air temperatures around 80°F (27°C) and water temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!