October in Mio is the rainiest month of the year. In October, the weather in Mio is typically warm. Average daily high temperature in October is about 12 degrees above zero. On average, Mio has 15 rainy, 6 sunny, 6 cloudy, and 4 partly cloudy days in October. The rains are usually heavy. October as well as March, April, and November is considered the most uncomfortable time to visit Mio.