December in Ust-Ordynskiy is the snowiest month of the year. In December, the weather in Ust-Ordynskiy is typically freezing. Average daily high temperature in December is about 14 degrees below zero. On average, Ust-Ordynskiy has 14 partly cloudy, 9 cloudy, 6 sunny, and 2 snowy days in December. The snowfalls are usually light. December as well as January and February is considered the most uncomfortable time to visit Ust-Ordynskiy.