Picinguaba, Brazil offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Picinguaba, Sao Paulo, Brazil, is known for the Serra do Mar State Park and its proximity to the historic town of Paraty. The best time to travel to Picinguaba, Brazil, is from April to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 72-77°F (22-25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!