May in Suqian is the cloudiest month of the year. In May, the weather in Suqian is typically warm. Average daily high temperature in May is about 26 degrees above zero. On average, Suqian has 15 partly cloudy, 8 sunny, 6 cloudy, and 2 rainy days in May. The rains are usually heavy. May as well as April and October is considered the most comfortable time to visit Suqian.