Atami, Brazil offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Atami, Parana, Brazil, is known for its beautiful beaches and the Atami Beach Resort. The best time to travel to Atami, 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!