If you're looking for summer vibes, the best time to travel to Gatineau is in July, June and August, when the average temperature reaches 20.13 °C, while September, June and August are the 3 sunniest months of the year, with an average of 42.64 hours.
However, if you prefer colder temperatures, make sure you visit Gatineau during January, February or March to experience an average of -7.46 °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 January, February and March, when the average precipitation in Gatineau is 6.75 mm, while the months of January, February and March are drier, with an average of 0 mm.