Ko Chang, Thailand offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Ko Chang is known for Mu Ko Chang National Park, Klong Plu Waterfall, and White Sand Beach. The best time to travel to Ko Chang, Thailand, is between November and February, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 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!