December in Ronse is the windiest month of the year. In December, the weather in Ronse is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Ronse has 16 rainy, 11 cloudy, 3 sunny, and 1 partly cloudy day in December. The rains are usually moderate. December as well as January, February, October, and November is considered the most uncomfortable time to visit Ronse.