December in Gusinoozersk is the snowiest month of the year. In December, the weather in Gusinoozersk is typically freezing. Average daily high temperature in December is about 13 degrees below zero. On average, Gusinoozersk has 14 partly cloudy, 9 cloudy, 7 sunny, and 1 snowy day in December. December as well as January and February is considered the most uncomfortable time to visit Gusinoozersk.