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Ontario weather in August 2023
- 2525°C max day temperature
- 1010 days with some rainfall
- 1515°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 8383 mm of monthly rainfall
- 77 (High) UV index
- 2121°C sea temperature
Below are average maximum temperatures at popular destinations in Ontario in August. Select a destination to see more weather parameters.
Recommended for Ontario
The August weather guide for Ontario (Toronto) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How hot is it in Ontario in August?
Daytime temperatures usually reach 25°C in Toronto, Ontario in August with low heat and humidity, falling to 15°C at night.
How sunny is it in Ontario in August?
There are normally 8 hours of bright sunshine each day in Toronto, Ontario in August - that's 56% of daylight hours.
How warm is the sea around Ontario in August?
The average sea temperature around Toronto, Ontario in August is 21°C.
Does it rain in Ontario in August?
There are usually 10 days with some rain in Toronto, Ontario in August and the average monthly rainfall is 83mm.
Ontario August sunrise & sunset times
Browse the sunrise and sunset times for Ontario in August 2023. Select a month to view Ontario sunrise and sunset times for the next 12 months. The Ontario sunrise and sunset times shown below are for Toronto.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st August 2023||06:06||20:41|
|Wednesday, 16th August 2023||06:23||20:20|
|Thursday, 31st August 2023||06:40||19:55|
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