In December, the weather in Oyusardakh is typically freezing. Average daily high temperature in December is about 25 degrees below zero. On average, Oyusardakh has 25 cloudy, 3 sunny, 2 snowy, and 1 partly cloudy day in December. The snowfalls are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Oyusardakh.