Ontario weather in August (California, United States of America)
What can you expect from the weather in Ontario during August? Here's what the weather might have in store during this month.
In August, Ontario generally has very high temperatures and almost no rainfall. August is a summer month. Daytime temperatures hover around 34°C, while nights can cool down to about 18°C. Typically, it's the hottest month of the year. Make sure to come prepared with breezy outfits. Whether you're out exploring or just lounging, being prepared can make your experience in this warm month much more enjoyable.
Ontario in August usually receives almost no rainfall, averaging around 0.9 mm for the month. Based on our climate data of the past 30 years, about 0 days of rain are anticipated.
With around 351 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Ontario. January, February, March, April, May, June, July, September, October and November typically offer the best circumstances. While August and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Ontario climate page with graphs.
Ontario, monthly averages in August
Min Temperature
18°C
Max Temperature
34°C
Chance of Rain
1%
Precipitation
0.9 mm
Rainy days
0 days
Sunshine
351 hours *
Percentage Sunshine
*
Where to go in the United States of America in August
Find out more about the weather in the United States of America in August and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Ontario in August?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in August.
Interested in more climate information?
This site provides you with all the information you need about the climate in Ontario.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
