January in Ust'-Yansky natsional'nyy nasleg is the sunniest and the most freezing month of the year. In January, the weather in Ust'-Yansky natsional'nyy nasleg is typically freezing. Average daily high temperature in January is about 32 degrees below zero. On average, Ust'-Yansky natsional'nyy nasleg has 11 sunny, 9 cloudy, 8 partly cloudy, and 3 snowy days in January. The snowfalls are usually light. January as well as February, March, April, and November is considered the most uncomfortable time to visit Ust'-Yansky natsional'nyy nasleg.