January in Rimouski is the windiest and the most freezing month of the year. In January, the weather in Rimouski is typically freezing. Average daily high temperature in January is about 7 degrees below zero. On average, Rimouski has 17 cloudy, 12 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as April, May, October, and November is considered the most uncomfortable time to visit Rimouski.