In December, the weather in Ust-Kamenogorsk is typically freezing. Average daily high temperature in December is about 7 degrees below zero. On average, Ust-Kamenogorsk has 11 sunny, 10 partly cloudy, 7 snowy, and 3 cloudy days in December. The snowfalls are usually light. December as well as January, February, March, and October is considered the most uncomfortable time to visit Ust-Kamenogorsk.