December in Waskaganish is the snowiest month of the year. In December, the weather in Waskaganish is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Waskaganish has 23 snowy and 8 cloudy days in December. The snowfalls are usually moderate. December as well as January, February, April, and May is considered the most uncomfortable time to visit Waskaganish.