In December, the weather in Sergeevka is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Sergeevka has 11 cloudy, 10 sunny, 7 partly cloudy, and 3 snowy days in December. The snowfalls are usually light. December as well as January, February, April, and May is considered the most uncomfortable time to visit Sergeevka.