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Ontario weather in August 2023
- 25°C max day temperature
25 - 8 hours of sunshine per day
- 10 days with some rainfall
10 - 15°C min night temperature
15 - 14 hours of daylight per day
14 - Low heat & humidity
L - 83 mm of monthly rainfall
83 - 7 (High) UV index
7 - 21°C sea temperature
21
Below are average maximum temperatures at popular destinations in Ontario in August. Select a destination to see more weather parameters.
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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.
JanFebMarAprMayJunJulAugSepOctNovDec
| 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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