April in Wuyishan is the windiest and the cloudiest month of the year. In April, the weather in Wuyishan is typically warm. Average daily high temperature in April is about 21 degrees above zero. On average, Wuyishan has 19 rainy, 5 cloudy, 5 partly cloudy, and 1 sunny day in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Wuyishan.