January in Ust'-Mana is the most freezing month of the year. In January, the weather in Ust'-Mana is typically freezing. Average daily high temperature in January is about 16 degrees below zero. On average, Ust'-Mana has 20 cloudy, 6 snowy, 4 sunny, and 1 partly cloudy day in January. The snowfalls are usually light. January as well as February, April, May, and September is considered the most uncomfortable time to visit Ust'-Mana.