In December, the weather in Svetlogorsk is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Svetlogorsk has 12 cloudy, 11 rainy, 6 partly cloudy, 1 snowy, and 1 sunny day in December. The rains are usually moderate. December as well as January, February, March, and October is considered the most uncomfortable time to visit Svetlogorsk.