Prainha, Brazil offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Prainha is known for its beautiful beaches and surf-friendly waves. The best time to travel to Prainha, Brazil, is from August to November, 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!