In October, the weather in Ust-Tym is typically cold. Average daily high temperature in October is about 1 degree above zero. On average, Ust-Tym has 11 snowy, 11 cloudy, 8 rainy, and 1 sunny day in October. The snowfalls are usually moderate. October as well as January, February, April, and May is considered the most uncomfortable time to visit Ust-Tym.