December in Poselok Ossora urban settlement is the windiest month of the year. In December, the weather in Poselok Ossora urban settlement is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Poselok Ossora urban settlement has 16 snowy, 6 sunny, 5 partly cloudy, and 4 cloudy days in December. The snowfalls are usually heavy. December as well as January, February, May, and September is considered the most uncomfortable time to visit Poselok Ossora urban settlement.