Pyoseon myeon, South Korea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Pyoseon myeon, Jeju do, South Korea, is known for Jeju Folk Village Museum and Pyoseon Beach. The best time to travel to Pyoseon-myeon, South Korea, is in late spring (May to June) when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!