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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.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Pick a month to see the average temperature, rainfall and sunshine in Dorval - and find the best time to visit.
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dorval climate overview or explore weather in Canada.
Where to go in August - average daytime high across popular destinations.
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