Montréal weather in August (Quebec, Canada)

How does the August weather in Montréal compare to other months? Discover if this is the best time for your journey with our detailed monthly weather breakdown.

Temperatures

August in Montréal generally includes high temperatures and high rainfall. August marks the summer season. Expect temperatures to climb to 27°C during the day, with nighttime readings dropping to 15°C.

Precipitation

Montréal in August usually receives high rainfall, averaging around 104 mm for the month. Based on our climate data of the past 30 years, about 13 days of rain are anticipated.

Average sunshine

Expect a lot of sunshine this month, with about 245 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. May, June, July, August and September generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Montréal, monthly averages in August

Min Temperature 15°C  

Max Temperature 27°C  

Water Temperature 21°C  

Chance of Rain 42%  

Precipitation 104 mm  

Rainy days 13 days  

Humidity 57%  

Windspeed 18 km/h  

Sunshine 245 hours  

Percentage Sunshine 56%  

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. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 21°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

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

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.