Benfica, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Benfica, Rio Grande do Norte, Brazil, is known for its proximity to the stunning Genipabu Dunes and the vibrant Natal city attractions. The best time to travel to Benfica, Brazil, is from May to September, with average air temperatures around 77°F (25°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!