Tuen Mun, Hong Kong offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Tuen Mun is known for the Tuen Mun Town Plaza and the Tuen Mun Ferry Pier. The best time to travel to Tuen Mun, Hong Kong, is from October to December, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!