Una, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Una is known for its beautiful beaches and ecotourism opportunities. The best time to travel to Una, Brazil, is from September to March, when the average air temperature ranges from 75°F to 85°F (24°C to 29°C) and the water temperature is around 79°F to 82°F (26°C to 28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!