Balneário Arroio Do Silva, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Balneário Arroio Do Silva is known for its beautiful beaches and vibrant summer festivals. The best time to travel to Balneário Arroio Do Silva, Brazil, is from December to March, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 24-26°C (75-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!