December in Avignon is the cloudiest month of the year. In December, the weather in Avignon is typically warm. Average daily high temperature in December is about 11 degrees above zero. On average, Avignon has 11 sunny, 9 rainy, 6 partly cloudy, and 5 cloudy days in December. The rains are usually heavy. December as well as January and November is considered the most uncomfortable time to visit Avignon.