December weather forecast in Ossora

December in Ossora is the windiest month of the year. In December, the weather in Ossora is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Ossora 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 Ossora.