Montréal Weather in August

During August, Montréal experiences high daytime temperatures of 28°C (82°F) and cooler nights around 16°C (61°F). As part of the summer season, some rainfall is to be expected.

Rainfall in Montréal in August

You can expect rain on roughly 9 days based on historical data, averaging 55 mm (2.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Montréal in August

August is a good time to be in Montréal. Days are perfect, reaching 28°C (82°F), with nights around 16°C (61°F). The month of August belongs to the summer season. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Montréal in August

The days are predominantly sunny, with an estimated total of around 261 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Montréal.

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For a detailed overview over the year and the best time to visit France, check out our Montréal's climate page.

Montréal Temperature in August

Min Temperature 16°C (61°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 31%  

Precipitation 55 mm (2.2 in)  

Rainy days 9 days  

Humidity 68% *  

Sunshine 261 hours *  

Percentage Sunshine *  

* Data from: Carcassonne, France (16 KM, 10 Miles).

What to Wear in Montréal in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Montréal in August

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

8/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Montréal's climate page.

More climate data for Montréal

Temperature Rainfall Sunshine Humidity

See the full Montréal climate overview or explore weather in France.