Boa Vista, Brazil offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Boa Vista is known for its stunning beaches and vibrant cultural scene. The best time to travel to Boa Vista, Brazil, is from December to March, when the average air temperature is around 27-30°C (81-86°F) and the water temperature is approximately 27°C (81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!