Sumare, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Sumare, West Sulawesi, Indonesia, is known for its proximity to the stunning Mamasa Valley and the cultural heritage of the Toraja people. The best time to travel to Sumare, Indonesia, is during the dry season from May to September, with average air temperatures around 28°C (82°F) and water temperatures near 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!