July in Suncheon is the rainiest month of the year. In July, the weather in Suncheon is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Suncheon has 19 rainy, 5 sunny, 4 partly cloudy, and 3 cloudy days in July. The rains are usually heavy. July as well as January and August is considered the most uncomfortable time to visit Suncheon.