December in Vyaz is the windiest month of the year. In December, the weather in Vyaz is typically freezing. Average daily high temperature in December is about zero. On average, Vyaz has 15 cloudy, 9 snowy, 6 rainy, and 1 sunny day in December. The snowfalls are usually light. December as well as February, March, May, and October is considered the most uncomfortable time to visit Vyaz.