Portinho, Brazil offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Portinho is known for its beautiful beaches and vibrant coastal tourism. The best time to travel to Portinho, Brazil, is from May to September, when the average air temperature ranges from 25°C to 30°C (77°F to 86°F) and the water temperature is around 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!