Mirim, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mirim, Santa Catarina, Brazil, is known for the Parque Unipraias Camboriu and the Cristo Luz. The best time to travel to Mirim, Brazil, is from May to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures approximately 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!