In December, the weather in Gusinoozersk is typically freezing. Average daily high temperature in December is about 14 degrees below zero. On average, Gusinoozersk has 12 partly cloudy, 8 snowy, 8 sunny, and 3 cloudy days in December. The snowfalls are usually light. December as well as January and February is considered the most uncomfortable time to visit Gusinoozersk.