Aruana, Brazil offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Aruana, Sergipe, Brazil, is known for the Aruana Beach and the Sao Francisco River. The best time to travel to Aruana, Brazil, is from May 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!