December in Umantsevo is the windiest month of the year. In December, the weather in Umantsevo is typically freezing. Average daily high temperature in December is about 1 degree below zero. On average, Umantsevo has 23 cloudy, 5 snowy, 2 sunny, and 1 rainy day in December. The snowfalls are usually light. December as well as March and November is considered the most uncomfortable time to visit Umantsevo.