Ilha Cataguas, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ilha Cataguas, Rio de Janeiro, Brazil, is known for its stunning beaches and crystal-clear waters. The best time to visit Ilha Cataguas, Brazil, is from April to September, with average air temperatures around 75°F (24°C) and water temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!