Na Cha ang, Thailand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Na Cha ang, Chumphon, Thailand, is known for its proximity to the Mu Ko Chumphon National Park. The best time to travel to Na Cha-ang, Thailand, is from November to February, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!