December in Korneevka is the windiest month of the year. In December, the weather in Korneevka is typically freezing. Average daily high temperature in December is about 10 degrees below zero. On average, Korneevka has 18 cloudy, 7 snowy, 3 sunny, and 3 partly cloudy days in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Korneevka.