Belleville is a city of approximately 50,700 people in Ontario, Canada. Located in the Eastern Time Zone at 44.2°N latitude.
In 2025, Belleville recorded an average annual temperature of 47°F. The hottest temperatures reached 92°F in June; the coolest were -7°F in March. Total precipitation for the year was 33 inches, with the wettest month being May. Snowfall for the year totaled approximately 21 inches.
View current conditions and forecast for Belleville · More cities in Ontario