Viana, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Viana is not widely recognized for travel and beach tourism. The best time to travel to Viana, Brazil, is from May to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the water temperature is around 25°C (77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!