Balneario Itaguai, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Balneario Itaguai is known for its beautiful beaches and the nearby Itaguai State Park. The best time to travel to Balneario Itaguai, Brazil, is from May to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 70-75°F (21-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!