October in Ust'-Mil' is the snowiest month of the year. In October, the weather in Ust'-Mil' is typically freezing. Average daily high temperature in October is about 4 degrees below zero. On average, Ust'-Mil' has 18 cloudy, 7 snowy, 3 sunny, 2 partly cloudy, and 1 rainy day in October. The snowfalls are usually light.