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 10:34 PM. The temperature feels like 36.6 with a humidity level of 55 so dress accordingly. Cloud coverage is 56 percent with visibility at 10.1 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 16 MPH. At the end of the day don’t miss the sunset at 8:38 AM.