Umbu Ngedo, Indonesia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Umbu Ngedo is known for its stunning beaches and traditional Sumba culture. The best time to travel to Umbu Ngedo, Indonesia, is 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!