Climate and Weather of Ontario, Canada

In Canada you have several regions, one of which is called Ontario. The most popular city in this region is Toronto, whose climate data we'll examine to provide you with an overview of what weather to expect in Ontario. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In Ontario, the months of June, July, August and September bring pleasant weather, with average temperatures ranging between 22°C and 26°C.

The warmest weather in Ontario arrives in July, when temperatures climb to 26°C. In contrast, February sees the mercury drop to daytime highs of 0°C.

The coldest months generally fall in January, February, March, April, November and December.

When it comes to rainfall, Ontario maintains fairly consistent rainfall patterns throughout the year, with April seeing 95 mm and August receiving 67 mm.

For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Ontario, Canada?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.