Gunsan si, South Korea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Gunsan si is known for the Gunsan Modern History Museum and the beautiful Seonyudo Island. The best time to travel to Gunsan-si, South Korea, is in late spring (May) when the average air temperature is around 18°C (64°F) and the average water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
