December in Zermatt is the windiest month of the year. In December, the weather in Zermatt is typically freezing. Average daily high temperature in December is about 4 degrees below zero. On average, Zermatt has 13 snowy, 9 cloudy, 5 sunny, and 4 partly cloudy days in December. The snowfalls are usually heavy. December as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Zermatt.