Laem Klat, Thailand offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Laem Klat, Trat, Thailand, is known for its proximity to the Mu Ko Chang National Park and the beautiful beaches of Koh Chang. The best time to travel to Laem Klat, Thailand, is from November to 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!