About Waterloo, 10's Climate & Weather History

With a population of around 4,400, Waterloo sits in Quebec, Canada. The city operates in the Eastern Time Zone.

In 2025, Waterloo recorded an average annual temperature of 43°F. The hottest temperatures reached 89°F in August; the coolest were -16°F in February. Total precipitation for the year was 48 inches, with the wettest month being May. Snowfall for the year totaled approximately 38 inches.