The weather in Ontario in July is hot. The average temperatures are between 21°C and 31°C.
There shouldn't be any rainy days in in Ontario during July. Having said that, the days are very hot in July so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Ontario in July 2025.
If you’re planning to visit Ontario in the near future, we highly recommend that you review the 14 day weather forecast for Ontario before you arrive.
Temperatures
31° / 21°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
10
mm
Sun Hours
12.0
Hrs
