Seruyan Hilir, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Seruyan Hilir is known for its serene beaches and rich cultural experiences in Central Kalimantan, Indonesia. The best time to travel to Seruyan Hilir, Indonesia, is during the dry season from June to September, with average air temperatures around 27-30°C (81-86°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!