Merbok, Malaysia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Merbok, Kedah, Malaysia, is known for the Bujang Valley Archaeological Museum. The best time to travel to Merbok, Malaysia, is from December to February, with average air temperatures around 28°C (82°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!