Quebec City Climate and Weather
Summer is undoubtedly the most popular time to visit Quebec City. June, July, August, September, and October are the only months of the year when the city is sure to be free of snow, with the annual average snowfall measuring 14 feet (4m).
It has been known to snow right up to early May. Temperatures drop well below freezing from late November to early April (Autumn/Winter), averaging between 0°F (-18°C) and 17°F (-8°C) in January.
Summer days (June to August), by contrast, are usually pleasantly warm and sunny, ideal for outdoor activities, with average highs around 77°F (25°C). Summer nights can be cool though. The city usually revels in an 'Indian Summer' for a few weeks in early October, making autumn another popular season for visiting.