In December, the weather in Mar'yanovka is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Mar'yanovka has 19 cloudy, 8 snowy, 3 sunny, and 1 partly cloudy day in December. The snowfalls are usually moderate. December as well as January, February, and May is considered the most uncomfortable time to visit Mar'yanovka.