Ontario weather in August (California, United States of America)

Thinking of visiting Ontario in August? Check the weather first! Check out this detailed guide to the month’s weather conditions.

Temperatures

The month of August in Ontario typically brings very high temperatures and almost no rainfall. During August, you’ll experience the summer season. In the daytime, temperatures tend to hover near 34°C, cooling down at night to around 18°C. Known as the warmest month of the year, it's a great time to break out your summer wardrobe. Remember to stay hydrated and enjoy the sunny weather.

Precipitation

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.

Average sunshine

There are approximately 351 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

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 *  

Data from: Corona, the United States of America (22 KM, 13 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

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.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

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 travel conditions. Find out where to go with our weather planner.