July in Goyang is the rainiest and the cloudiest month of the year. In July, the weather in Goyang is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Goyang has 21 rainy, 6 sunny, 2 cloudy, and 2 partly cloudy days in July. The rains are usually heavy. July as well as February, August, November, and December is considered the most uncomfortable time to visit Goyang.