December in Altay is the snowiest, the windiest, and the cloudiest month of the year. In December, the weather in Altay is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Altay has 10 snowy, 10 cloudy, 7 partly cloudy, 3 sunny, and 1 rainy day in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Altay.