Weather Forecast and Radar for Belleville, Ontario

Weather in Belleville, ON

Belleville, Ontario experiences four distinct seasons throughout the year, each with its own unique weather.

In the summer months (June to August) temperatures average between 18 and 26 degrees Celsius, with the occasional hot day reaching up into the 30s. Humidity levels are typically high, making the air feel sticky and uncomfortable. Rainfall is typically light and scattered throughout the summer, with an average of about 50 millimeters of precipitation each month.

Autumn (September to November) is generally a pleasant time of year, with temperatures slowly cooling off. Average temperatures range between 12 to 18 degrees Celsius, and humidity levels tend to be more comfortable. Rainfall is slightly higher in autumn than in summer, with an average of 55 millimeters each month.

Winter (December to February) is cold and snowy in Belleville, with temperatures typically ranging between -10 and 3 degrees Celsius. Snowfall is common and usually averages around 60 centimeters per month.

Finally, in the spring (March to May) temperatures slowly start to warm up, with average temperatures ranging between 5 and 15 degrees Celsius. Rainfall is higher than in summer and autumn, with an average of 80 millimeters each month. Humidity levels typically remain low throughout the spring months.

Fast Facts About Belleville, ON

As of 2020, the city population is 50716.

Major Cities Nearby Belleville, ON

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Belleville, Ontario.