December in Vostrovo is the windiest month of the year. In December, the weather in Vostrovo is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Vostrovo has 17 cloudy, 9 snowy, 4 sunny, and 1 partly cloudy day in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Vostrovo.