January in Sainte-Genevieve-des-Bois is the coldest month of the year. In January, the weather in Sainte-Genevieve-des-Bois is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Sainte-Genevieve-des-Bois has 14 rainy, 10 cloudy, 4 sunny, and 3 partly cloudy days in January. The rains are usually light. January as well as February, March, May, and November is considered the most uncomfortable time to visit Sainte-Genevieve-des-Bois.