July in Yeosu is the rainiest month of the year. In July, the weather in Yeosu is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Yeosu 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 Yeosu.