In December, the weather in Bolshaya Pyssa is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Bolshaya Pyssa has 20 snowy, 10 cloudy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, April, and May is considered the most uncomfortable time to visit Bolshaya Pyssa.