In May, the weather in Svetlogorsk is typically cold. Average daily high temperature in May is about 1 degree above zero. On average, Svetlogorsk has 10 rainy, 10 snowy, 10 cloudy, and 1 sunny day in May. The rains are usually moderate. May as well as January, February, March, and August is considered the most uncomfortable time to visit Svetlogorsk.