In October, the weather in Crested Butte is typically cold. Average daily high temperature in October is about 5 degrees above zero. On average, Crested Butte has 13 sunny, 11 rainy, 6 partly cloudy, and 1 cloudy day in October. The rains are usually moderate. October as well as April, May, July, and August is considered the most uncomfortable time to visit Crested Butte.