Serdang, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Serdang is known for its beautiful beaches and serene coastal landscapes. The best time to travel to Serdang, Indonesia, is during the dry season from May to September, with average air temperatures around 27°C (81°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!