March in Dandong is the windiest month of the year. In March, the weather in Dandong is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Dandong has 16 sunny, 9 partly cloudy, 4 rainy, and 2 cloudy days in March. The rains are usually light. March as well as February, July, August, and November is considered the most uncomfortable time to visit Dandong.