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 averaged an annual temperature of 47°F, with hottest temperatures reaching 92°F in June and lowest around -7°F in March. The city received approximately 33 inches of precipitation during the year.
View historical weather for Belleville · More cities in Ontario