About Saint Thomas, 10's Climate & Weather History

Saint Thomas, in Quebec, Canada, is home to roughly 3,200 people in the Eastern Time Zone at 46°N latitude.

In 2025, Saint Thomas recorded an average annual temperature of 44°F. The hottest temperatures reached 94°F in June; the coolest were -22°F in January. Total precipitation for the year was 40 inches, with the wettest month being July. Snowfall for the year totaled approximately 26 inches.