Seo myeon, South Korea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Seo myeon, Gyeongsangbuk do, South Korea, is known for the Andong Hahoe Folk Village, a UNESCO World Heritage Site. The best time to travel to Seo myeon, South Korea, is in late spring (May) when the average air temperature is around 20°C (68°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!