About Napierville, 10's Climate & Weather History

Napierville, in Quebec, Canada, is home to roughly 3,100 people in the Eastern Time Zone at 45.2°N latitude.

In 2025, Napierville recorded an average annual temperature of 45°F. The hottest temperatures reached 94°F in July; the coolest were -15°F in February. Total precipitation for the year was 42 inches, with the wettest month being May. Snowfall for the year totaled approximately 25 inches.