PecharDwip, Bangladesh offers 2 beaches perfect for sunbathing, surfing, swimming, and more. PecharDwip, Chittagong, Bangladesh, is known for its proximity to the beautiful Saint Martin's Island and the scenic Cox's Bazar beach. The best time to travel to PecharDwip, Bangladesh, is from November to February, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 24-28°C (75-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!