March in Hyesan is the windiest month of the year. In March, the weather in Hyesan is typically cold. Average daily high temperature in March is about 1 degree above zero. On average, Hyesan has 11 sunny, 11 partly cloudy, 5 snowy, 2 rainy, and 2 cloudy days in March. The snowfalls are usually light. March as well as January, April, May, and June is considered the most uncomfortable time to visit Hyesan.