January in Churchill Falls is the windiest and the most freezing month of the year. In January, the weather in Churchill Falls is typically freezing. Average daily high temperature in January is about 15 degrees below zero. On average, Churchill Falls has 16 snowy, 14 cloudy, and 1 sunny day in January. The snowfalls are usually light. January as well as February, March, May, and June is considered the most uncomfortable time to visit Churchill Falls.