If you planning to travel to Hallasan National Park, 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 9:01 PM. The temperature feels like 67.1 with a humidity level of 63 so dress accordingly. Cloud coverage is 28 percent with visibility at 7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 10:06 AM.