March in Sevan is the windiest month of the year. In March, the weather in Sevan is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Sevan has 17 rainy, 6 snowy, 4 cloudy, 3 sunny, and 1 partly cloudy day in March. The rains are usually heavy. March as well as April, May, June, and September is considered the most uncomfortable time to visit Sevan.