May in Lian is the windiest month of the year. In May, the weather in Lian is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Lian has 17 rainy, 5 sunny, 5 partly cloudy, and 4 cloudy days in May. The rains are usually heavy. May as well as January, February, April, and October is considered the most uncomfortable time to visit Lian.