In October, the weather in Ust-Koksa is typically cold. Average daily high temperature in October is about 2 degrees above zero. On average, Ust-Koksa has 9 rainy, 8 sunny, 6 partly cloudy, 4 snowy, and 4 cloudy days in October. The rains are usually heavy. October as well as January, February, April, and May is considered the most uncomfortable time to visit Ust-Koksa.