In March, the weather in Des Moines is typically warm. Average daily high temperature in March is about 9 degrees above zero. On average, Des Moines has 11 sunny, 10 partly cloudy, 6 rainy, 3 cloudy, and 1 snowy day in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Des Moines.