Sarnia weather in August (Ontario, Canada)

What is the weather forecast for Sarnia in August? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

The weather in Sarnia during August is typically perfect, with high temperatures and moderate rainfall. August is known for being in the summer season. Anticipate daytime highs near 26°C, and cooler nights with temperatures around 18°C.

Precipitation

Sarnia in August usually receives moderate rainfall, averaging around 78 mm for the month. You can typically expect 9 days days of rain this month, based on climate records.

If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Sarnia. June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Sarnia climate page with graphs.

 

Sarnia, monthly averages in August

Min Temperature 18°C  

Max Temperature 26°C  

Chance of Rain 31%  

Precipitation 78 mm  

Rainy days 9 days  

Where to go in Canada in August

Find out more about the weather in Canada 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.

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Sarnia.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. 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.