Baan Thong Po, Thailand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Baan Thong Po, Surat Thani, Thailand, is known for its proximity to the stunning Ang Thong National Marine Park. The best time to travel to Baan Thong Po, Thailand, is from December 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!