Sadai, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Sadai is known for its beautiful beaches and proximity to the stunning natural landscapes of the Bangka Belitung Islands. The best time to travel to Sadai, Indonesia, is during the dry season from May to September, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!