January in Ust'-Kulom is the most freezing month of the year. In January, the weather in Ust'-Kulom is typically freezing. Average daily high temperature in January is about 13 degrees below zero. On average, Ust'-Kulom has 15 cloudy, 14 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as February, April, September, and October is considered the most uncomfortable time to visit Ust'-Kulom.