December in Zav'yalovo is the windiest month of the year. In December, the weather in Zav'yalovo is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Zav'yalovo has 19 cloudy, 6 snowy, 4 sunny, and 2 partly cloudy days in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Zav'yalovo.