In December, the weather in Udinsk is typically freezing. Average daily high temperature in December is about 16 degrees below zero. On average, Udinsk has 9 cloudy, 8 snowy, 7 sunny, and 7 partly cloudy days in December. The snowfalls are usually light. December as well as January, February, April, and May is considered the most uncomfortable time to visit Udinsk.