July in Yangsan is the rainiest and the cloudiest month of the year. In July, the weather in Yangsan is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Yangsan has 18 rainy, 6 partly cloudy, 4 cloudy, and 3 sunny days in July. The rains are usually heavy. July as well as January, February, and August is considered the most uncomfortable time to visit Yangsan.