May in Svetlyy is the rainiest and the windiest month of the year. In May, the weather in Svetlyy is typically cold. Average daily high temperature in May is about 7 degrees above zero. On average, Svetlyy has 17 cloudy, 10 rainy, 3 sunny, and 1 partly cloudy day in May. The rains are usually moderate. May as well as January, February, March, and September is considered the most uncomfortable time to visit Svetlyy.