In October, the weather in Ust-Usa is typically cold. Average daily high temperature in October is about 1 degree above zero. On average, Ust-Usa has 13 cloudy, 6 rainy, 6 partly cloudy, 4 snowy, and 2 sunny days in October. The rains are usually moderate. October as well as January, February, May, and August is considered the most uncomfortable time to visit Ust-Usa.