January in Ust-Bryan is the most freezing month of the year. In January, the weather in Ust-Bryan is typically freezing. Average daily high temperature in January is about 17 degrees below zero. On average, Ust-Bryan has 12 sunny, 11 partly cloudy, 6 cloudy, and 2 snowy days in January. The snowfalls are usually light. January as well as February and December is considered the most uncomfortable time to visit Ust-Bryan.