Magisterio, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Magisterio, Rio Grande do Sul, Brazil, is known for its proximity to the Lagoa dos Patos and the scenic beauty of the surrounding coastal region. The best time to travel to Magisterio, Brazil, is from December to March, with average air temperatures around 75°F (24°C) and water temperatures near 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!