In December, the weather in Yuzhno-Sukhokumsk is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Yuzhno-Sukhokumsk has 23 cloudy, 5 rainy, and 3 sunny days in December. The rains are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Yuzhno-Sukhokumsk.