Dorval Weather in August

During August, Dorval experiences high daytime temperatures of 26°C (79°F) and cooler nights around 16°C (61°F). As part of the summer season, expect quite a bit of rainfall. Around 97 mm (3.8 in) is typical.

Rainfall in Dorval in August

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 97 mm (3.8 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Dorval in August

August is one of the better months to visit Dorval. Expect 26°C (79°F) during the day and 16°C (61°F) at night. August is a notable month of the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Dorval in August

The city usually sees around 245 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Dorval in August

Wind speeds average 5 m/s (10 knots) during August. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in August

At 21°C (70°F), the water is pleasant for swimming. Most people find this range ideal — cool enough to be refreshing, warm enough to stay in comfortably.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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 Canada, check out our Dorval's climate page.

Dorval Temperature in August

Min Temperature 16°C (61°F)  

Max Temperature 26°C (79°F)  

Water Temperature 21°C (70°F) *  

Chance of Rain 42%  

Precipitation 97 mm (3.8 in)  

Rainy days 13 days  

Humidity 57% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 245 hours *  

Percentage Sunshine 56% *  

* Data from: Montréal, Canada (16 KM, 9 Miles).

What to Wear in Dorval in August

Warm but pleasant conditions in Dorval in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 21°C (70°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Dorval in August

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Canada, check out our Dorval's climate page.

More climate data for Dorval

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Dorval climate overview or explore weather in Canada.