In March, the weather in Wahpeton is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Wahpeton has 19 cloudy, 4 sunny, 4 partly cloudy, 3 rainy, and 1 snowy day in March. The rains are usually heavy. March as well as January, April, November, and December is considered the most uncomfortable time to visit Wahpeton.