Namosain, Indonesia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Namosain is known for its proximity to the stunning beaches and vibrant marine life of Kupang Bay. The best time to travel to Namosain, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 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!