May in Hưng Yên is the windiest month of the year. In May, the weather in Hưng Yên is typically hot. Average daily high temperature in May is about 31 degrees above zero. On average, Hưng Yên has 26 rainy, 4 sunny, and 1 cloudy day in May. The rains are usually heavy. May as well as March, June, July, and August is considered the most uncomfortable time to visit Hưng Yên.