Climate and Average Weather in Ontario, Canada

Ontario is a region in Canada. The most popular city in this region is Toronto. So we will use the climate data of Toronto to tell you more about which weather you can expect in Ontario:

During the month of June and September you are most likely to experience good days with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F). The coldest month is January with an average maximum temperature of 0°C (30°F).

Some other facts:

  • The months of May, June, August, September and November have a high chance of precipitation.
  • September is the most wet month. This month should be avoided if you are not a big fan of rain.
  • March is the driest month.
  • The warmest month in Ontario is July with an average maximum temperature of 26°C (80°F).
  • July is the most sunny month.

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

Please select a city 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.

Popular places in Ontario, Canada

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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