If you're looking for summer vibes, the best time to travel to Rimouski is in July, June and August, when the average temperature reaches 16.38 °C, while April, May and June are the 3 sunniest months of the year, with an average of 35.85 hours.
However, if you prefer colder temperatures, make sure you visit Rimouski during January, February or March to experience an average of -6.47 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during February, March and January, when the average precipitation in Rimouski is 2.65 mm, while the months of January, February and March are drier, with an average of 0 mm.