Santo Amaro do Maranhao, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Santo Amaro do Maranhao is known for its proximity to the stunning Lençóis Maranhenses National Park. The best time to travel to Santo Amaro do Maranhao, Brazil, is from June to September, when the average air temperature is around 28°C (82°F) and the water temperature is approximately 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!