If you planning to travel to Samyang Black Sand Beach, Jeju, South Korea, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 9:41 PM. The temperature feels like 50.65 with a humidity level of 51 so dress accordingly. Cloud coverage is 75 percent with visibility at 14.9 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 17 MPH. At the end of the day don’t miss the sunset at 9:37 AM.