May in Nain is the cloudiest month of the year. In May, the weather in Nain is typically cold. Average daily high temperature in May is about 3 degrees above zero. On average, Nain has 16 cloudy, 11 rainy, 2 sunny, and 2 partly cloudy days in May. The rains are usually moderate. May as well as January, February, March, and June is considered the most uncomfortable time to visit Nain.