March in Aix-en-Provence is the windiest month of the year. In March, the weather in Aix-en-Provence is typically warm. Average daily high temperature in March is about 12 degrees above zero. On average, Aix-en-Provence has 14 sunny, 11 partly cloudy, 4 rainy, and 2 cloudy days in March. The rains are usually moderate.