January in Edmundston is the windiest and the most freezing month of the year. In January, the weather in Edmundston is typically freezing. Average daily high temperature in January is about 8 degrees below zero. On average, Edmundston has 16 snowy, 14 cloudy, and 1 sunny day in January. The snowfalls are usually moderate. January as well as April, May, June, and October is considered the most uncomfortable time to visit Edmundston.