Ilha do Cavaco, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ilha do Cavaco, Rio de Janeiro, Brazil, is known for its proximity to the iconic Sugarloaf Mountain and the vibrant Copacabana Beach. The best time to travel to Ilha do Cavaco, Brazil, is from May to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!