March weather forecast in Saint-Lo

In March, the weather in Saint-Lo is typically warm. Average daily high temperature in March is about 11 degrees above zero. On average, Saint-Lo has 13 rainy, 9 partly cloudy, 6 cloudy, and 3 sunny days in March. The rains are usually moderate. March as well as January, February, April, and October is considered the most uncomfortable time to visit Saint-Lo.