Aranau, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Aranau is known for its stunning beaches and vibrant local culture. The best time to travel to Aranau, Brazil, is from June to September, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 26-28°C (79-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!