Rio Vermelho, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Eagle, Idaho, United States, is known for its outdoor recreational activities and scenic natural beauty. The best time to travel to Rio Vermelho, Brazil, is between December and March, when the average air temperature is around 80°F (27°C) and the water temperature is approximately 79°F (26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!