In October, the weather in Ust-Unya is typically freezing. Average daily high temperature in October is about 1 degree above zero. On average, Ust-Unya has 15 snowy, 12 rainy, and 4 cloudy days in October. The snowfalls are usually moderate. October as well as January, February, April, and September is considered the most uncomfortable time to visit Ust-Unya.