December in Sovetskaya Gavan is the windiest month of the year. In December, the weather in Sovetskaya Gavan is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Sovetskaya Gavan has 13 sunny, 8 partly cloudy, 6 snowy, and 4 cloudy days in December. The snowfalls are usually moderate. December as well as January, February, April, and May is considered the most uncomfortable time to visit Sovetskaya Gavan.