In December, the weather in Gyuryuldeuk is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Gyuryuldeuk has 14 partly cloudy, 11 sunny, 3 rainy, and 3 cloudy days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Gyuryuldeuk.