Hamo ri, South Korea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hamo ri, Jeju do, South Korea, is known for its proximity to the scenic Hyeopjae Beach and Hallim Park. The best time to travel to Hamo-ri, South Korea, is in late spring (May to June) when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 16-20°C (61-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!