Barreiro, Brazil offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Barreiro is not particularly known for travel and beach tourism. The best time to travel to Barreiro, Brazil, is from May to September, when the average air temperature ranges from 18°C to 28°C (64°F to 82°F) and the water temperature is around 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!