May in Aradan is the rainiest month of the year. In May, the weather in Aradan is typically cold. Average daily high temperature in May is about 7 degrees above zero. On average, Aradan has 24 rainy, 4 sunny, 2 cloudy, and 1 partly cloudy day in May. The rains are usually heavy. May as well as January, February, April, and July is considered the most uncomfortable time to visit Aradan.