December weather forecast in Les Sables-d Olonne

December in Les Sables-d Olonne is the windiest month of the year. In December, the weather in Les Sables-d Olonne is typically warm. Average daily high temperature in December is about 10 degrees above zero. On average, Les Sables-d Olonne has 16 rainy, 8 partly cloudy, 5 sunny, and 2 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and November is considered the most uncomfortable time to visit Les Sables-d Olonne.