April in Mio is the windiest month of the year. In April, the weather in Mio is typically warm. Average daily high temperature in April is about 12 degrees above zero. On average, Mio has 8 rainy, 8 cloudy, 7 sunny, 6 partly cloudy, and 1 snowy day in April. The rains are usually heavy. April as well as February, March, October, and November is considered the most uncomfortable time to visit Mio.