May in Phủ Lý is the windiest month of the year. In May, the weather in Phủ Lý is typically hot. Average daily high temperature in May is about 31 degrees above zero. On average, Phủ Lý has 24 rainy, 4 sunny, 2 partly cloudy, and 1 cloudy day in May. The rains are usually heavy. May as well as June, July, August, and September is considered the most uncomfortable time to visit Phủ Lý.