Sunsweni, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Sunsweni is known for its proximity to the stunning Raja Ampat Islands, a renowned destination for diving and marine biodiversity. The best time to travel to Sunsweni, Indonesia, is from May to September, with average air temperatures around 28°C (82°F) and water temperatures near 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!