March in Dillingen an der Donau is the sunniest month of the year. In March, the weather in Dillingen an der Donau is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Dillingen an der Donau has 10 rainy, 8 sunny, 6 cloudy, 6 partly cloudy, and 1 snowy day in March. The rains are usually moderate. March as well as January, February, April, and May is considered the most uncomfortable time to visit Dillingen an der Donau.