April in Yibin is the windiest and the cloudiest month of the year. In April, the weather in Yibin is typically warm. Average daily high temperature in April is about 21 degrees above zero. On average, Yibin has 23 rainy, 4 cloudy, and 3 sunny days in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Yibin.