Semat, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Semat is known for its serene beaches and traditional Javanese culture. The best time to travel to Semat, Indonesia, is during the dry season from May to September, with average air temperatures around 27-30°C (81-86°F) and water temperatures approximately 28-30°C (82-86°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!