Ko Tao, Thailand offers 11 beaches perfect for sunbathing, surfing, swimming, and more. Ko Tao is known for its vibrant coral reefs and popular diving sites like Chumphon Pinnacle and Shark Bay. The best time to visit Ko Tao, Thailand, is from December to April, with average air temperatures around 28-32°C (82-90°F) and water temperatures about 27-30°C (81-86°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!