In March, the weather in La Crosse is typically cold. Average daily high temperature in March is about 6 degrees above zero. On average, La Crosse has 10 sunny, 10 partly cloudy, 5 rainy, 5 cloudy, and 1 snowy day in March. The rains are usually heavy. March as well as February, April, May, and October is considered the most uncomfortable time to visit La Crosse.