In March, the weather in Sainte Genevieve is typically warm. Average daily high temperature in March is about 14 degrees above zero. On average, Sainte Genevieve has 10 rainy, 9 sunny, 6 cloudy, and 6 partly cloudy days in March. The rains are usually heavy. March as well as January, February, July, and December is considered the most uncomfortable time to visit Sainte Genevieve.