Praia do Guaiu, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dunedin is known for its beautiful beaches, particularly Honeymoon Island State Park, and its vibrant Scottish heritage. The best time to travel to Praia do Guaiu, Brazil, is between September and March, when the average air temperature ranges from 25°C to 30°C (77°F to 86°F) and the water temperature is around 27°C (81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!