In October, the weather in Tulun is typically cold. Average daily high temperature in October is about 3 degrees above zero. On average, Tulun has 11 cloudy, 5 rainy, 5 snowy, 5 sunny, and 5 partly cloudy days in October. The rains are usually light. October as well as January, February, April, and May is considered the most uncomfortable time to visit Tulun.