December in Provo is the snowiest month of the year. In December, the weather in Provo is typically freezing. Average daily high temperature in December is about zero. On average, Provo has 12 partly cloudy, 9 sunny, 7 snowy, 2 rainy, and 1 cloudy day in December. The snowfalls are usually moderate. December as well as January, February, March, and November is considered the most uncomfortable time to visit Provo.