January in Trois-Rivieres is the snowiest, the windiest, and the most freezing month of the year. In January, the weather in Trois-Rivieres is typically freezing. Average daily high temperature in January is about 7 degrees below zero. On average, Trois-Rivieres has 15 snowy, 13 cloudy, 2 sunny, and 1 partly cloudy day in January. The snowfalls are usually moderate.