December in Altay is the snowiest and the cloudiest month of the year. In December, the weather in Altay is typically freezing. Average daily high temperature in December is about 13 degrees below zero. On average, Altay has 13 cloudy, 10 snowy, 6 partly cloudy, and 2 sunny days in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Altay.