July in Wuyishan is the hottest month of the year. In July, the weather in Wuyishan is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, Wuyishan has 27 rainy and 4 sunny days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Wuyishan.