August in Svetlogorsk is the rainiest month of the year. In August, the weather in Svetlogorsk is typically warm. Average daily high temperature in August is about 15 degrees above zero. On average, Svetlogorsk has 16 rainy, 8 partly cloudy, 4 cloudy, and 3 sunny days in August. The rains are usually heavy. August as well as January, February, March, and September is considered the most uncomfortable time to visit Svetlogorsk.