In December, the weather in Dobrovolnoye is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Dobrovolnoye has 14 rainy, 12 cloudy, 3 sunny, and 2 partly cloudy days in December. The rains are usually light. December as well as February, March, and May is considered the most uncomfortable time to visit Dobrovolnoye.