Banyu Biru, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Banyu Biru, Bali, Indonesia, is known for its stunning beaches and vibrant coral reefs. The best time to travel to Banyu Biru, Indonesia, is from May to September when the average air temperature is around 28°C (82°F) and the water temperature is approximately 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!