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Canada Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Canada in August.

Planning a getaway to Canada this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Canada in August

Canada offers a broad spectrum of weather patterns. In August, one might encounter temperatures that range from cold to warm, and precipitation levels ranging from low to heavy. August is a summer month.

Temperatures

The average maximum daytime temperatures vary from cold in Cape Dyer at 5°C (41°F) to warm in Osoyoos at 30°C (86°F). Nighttime temperatures generally drop to 14°C (57°F) in Osoyoos and 1°C (34°F) in Cape Dyer.

To learn more about the conditions in specific areas of Canada, check out the map below.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Rossland with an average of 14 mm (0.6 in) to heavy rainfall in Prince Rupert with 186 mm (7.3 in). In Toronto, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year.

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Toronto enjoys approximately 245 hours of sunlight, ideal for those seeking sunny weather.

Explore Canada by month

Pick a month to see the average temperature, rainfall and sunshine in Canada — and find the best time to visit. (based on Toronto)

Best Places to Visit in Canada in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Canada.

perfect weather
pleasant
tolerable
unpleasant
poor

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).

Popular Destinations in Canada

What is the weather like in August for some of the most popular destinations in Canada?

Temperature range in Canada (August)

Precipitation variation in Canada (August)

Toronto

In August Toronto generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
22°C (72°F)
Min temperature
18°C (64°F)
18°C (64°F)
15°C (59°F)
Monthly sun hours
280 hours
245 hours
195 hours
Monthly rainfall
71 mm (2.8 in)
68 mm (2.7 in)
83 mm (3.3 in)
Monthly rainy days
9 days
10 days
10 days
Weather conditions

Montréal

In August Montréal generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 15°C (59°F) and high monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
28°C (82°F)
27°C (81°F)
22°C (72°F)
Min temperature
17°C (63°F)
15°C (59°F)
11°C (52°F)
Monthly sun hours
272 hours
245 hours
183 hours
Monthly rainfall
102 mm (4 in)
104 mm (4.1 in)
102 mm (4 in)
Monthly rainy days
12 days
13 days
11 days
Weather conditions

Quebec City

In August Quebec City generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
26°C (79°F)
24°C (75°F)
20°C (68°F)
Min temperature
14°C (57°F)
13°C (55°F)
9°C (48°F)
Monthly sun hours
253 hours
232 hours
163 hours
Monthly rainfall
133 mm (5.2 in)
124 mm (4.9 in)
121 mm (4.8 in)
Monthly rainy days
14 days
14 days
14 days
Weather conditions

Vancouver

In August Vancouver generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
22°C (72°F)
22°C (72°F)
19°C (66°F)
Min temperature
14°C (57°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
289 hours
277 hours
212 hours
Monthly rainfall
55 mm (2.2 in)
72 mm (2.8 in)
125 mm (4.9 in)
Monthly rainy days
7 days
8 days
10 days
Weather conditions

Ottawa

In August Ottawa generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
27°C (81°F)
26°C (79°F)
22°C (72°F)
Min temperature
15°C (59°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
280 hours
251 hours
178 hours
Monthly rainfall
102 mm (4 in)
94 mm (3.7 in)
99 mm (3.9 in)
Monthly rainy days
11 days
11 days
12 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Canada.

Popular cities in August

Day & night temperatures, rainfall and average weather in Canada in August.

City Weather Day temp Night temp Rainfall
Toronto 26°C (79°F) 18°C (64°F) 68 mm (2.7 in)
Montréal 27°C (81°F) 15°C (59°F) 104 mm (4.1 in)
Vancouver 22°C (72°F) 14°C (57°F) 72 mm (2.8 in)
Whistler 19°C (66°F) 7°C (45°F) 88 mm (3.5 in)
Victoria 19°C (66°F) 13°C (55°F) 27 mm (1.1 in)
Jasper 17°C (63°F) 3°C (37°F) 92 mm (3.6 in)

Canada weather in August: frequently asked questions

What is the weather like in Canada in August?

Expect perfect weather across Canada in August. The popular destination of Toronto averages 26°C (79°F) by day and 18°C (64°F) at night during this summer month.

What is the average temperature in Canada in August?

Average temperatures in Canada during August range from a nighttime low near 18°C (64°F) to a daytime high around 26°C (79°F) in Toronto.

Does Canada get a lot of rain in August?

Rain is generally moderate to light in Canada during August, with Toronto averaging close to 68 mm (2.7 in).

Is August a Good Time to Visit Canada?

We believe that August is one of the best times to visit Canada with overall perfect weather in Toronto. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Toronto. On the other hand, the months of January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Canada.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed 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.

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Need travel inspiration? Check out our bucket list articles and be inspired.