In May, the weather in Qui Nhơn is typically hot. Average daily high temperature in May is about 31 degrees above zero. On average, Qui Nhơn has 15 rainy, 6 sunny, 5 cloudy, and 5 partly cloudy days in May. The rains are usually heavy. May as well as January, June, July, and August is considered the most uncomfortable time to visit Qui Nhơn.