Weather in Montreal in august 2025

The weather in Montreal in the month of august comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.

Average weather throughout august

good weather UV index: 6

Weather at 6am
65°F

Partly Cloudy

35%

Moderate rain at times

15%

Cloudy

8%

Weather at 12pm
77°F

Moderate rain at times

27%

Partly Cloudy

22%

Heavy rain

9%

Weather at 6pm
72°F

Moderate rain at times

24%

Partly Cloudy

19%

Heavy rain

11%

Weather at 3am
63°F

Clear/Sunny

31%

Partly Cloudy

24%

Fog

21%

Moderate rain at times

15%



Evolution of daily average temperature and precipitation in Montreal in august

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Montreal in august.


The climate of Montreal in august is good

August is one of the hottest months of the year in Montreal. Thanks to the perfect combination of heat and sunshine, the climate throughout August in Montreal is highly appreciated by summer visitors. This affluence is explained by the fact that not only are the days embellished with a beautiful sun, but the atmosphere is also comfortable.

Montreal at the Beginning of August

With an average temperature between 20° C in the morning and 27° C in the middle of the day, summer visitors will have the privilege of enjoying a pleasantly warm weather. In addition, rainfall events do not influence the quality of the climate in spite of the relatively high humidity.

Montreal in the Middle of August

The second ten day period of the month is one of the best to visit Montreal. Even if the temperatures drop slightly, the heat is still present. Moreover, thanks to the recoil of the bad weather, the luminous and pleasantly sunny days counts plenty. In fact, the mornings are favored by a clear sky and by the absence of rain.

Montreal at the End of August

the end of the month, the weather in Montreal throughout August is superb. Although temperatures are starting to fall, thanks to the warm and pleasant presence of the sun, the days are still superb. This is especially true since the rainy episodes only occur sporadically.



Seasonal average climate and temperature of Montreal in august

Check below seasonal norms These datas are generated from the weather statements of the last years of the month of august.

August
Outside temperature
Average temperature 72°F
Highest temperature 79°F
Lowest temperature 65°F
Highest record temperature 95°F
(2021)
Lowest record temperature 50°F
(2009)
Number of days at +86°F 3 day(s)
(10%)
Number of days at +65°F 31 day(s)
(100%)
Wind
Wind speed 15km/h
Wind temperature 65°F
Precipitation (rainfall)
Rainfall 6.2in
Number of days with rainfall 9 day(s)
(30%)
Record daily rainfall 4.4in
(2011)
Other climate data
Humidity 84%
Visibility 9.02km
Cloud cover 34%
UV index 6
Daily sunshine hours 14
Sunrise and sunset
Time of sunrise 04:55
Time of sunset 19:01
Length of day 14:06
Our opinion about the weather in august
Our opinion at whereandwhen.net good



How was the weather last august?

Here is the day by day recorded weather in Montreal in august 2024:

01-08-2024
Patchy rain nearby
68°F to 86°F
02-08-2024
Clear/Sunny
70°F to 86°F
03-08-2024
Clear/Sunny
74°F to 85°F
04-08-2024
Clear/Sunny
68°F to 85°F
05-08-2024
Light rain
67°F to 70°F
06-08-2024
Clear/Sunny
58°F to 74°F
07-08-2024
Clear/Sunny
58°F to 74°F
08-08-2024
Clear/Sunny
58°F to 77°F
09-08-2024
Moderate or heavy rain shower
65°F to 68°F
10-08-2024
Clear/Sunny
65°F to 74°F
11-08-2024
Patchy rain nearby
59°F to 70°F
12-08-2024
Patchy rain nearby
58°F to 68°F
13-08-2024
Clear/Sunny
59°F to 77°F
14-08-2024
Clear/Sunny
63°F to 79°F
15-08-2024
Clear/Sunny
65°F to 81°F
16-08-2024
Clear/Sunny
67°F to 83°F
17-08-2024
Patchy light drizzle
68°F to 72°F
18-08-2024
Patchy light drizzle
67°F to 77°F
19-08-2024
Light rain shower
59°F to 68°F
20-08-2024
Overcast
52°F to 63°F
21-08-2024
Patchy rain nearby
54°F to 58°F
22-08-2024
Light rain shower
56°F to 63°F
23-08-2024
Clear/Sunny
56°F to 74°F
24-08-2024
Clear/Sunny
61°F to 76°F
25-08-2024
Patchy rain nearby
63°F to 76°F
26-08-2024
Clear/Sunny
63°F to 79°F
27-08-2024
Clear/Sunny
65°F to 81°F
28-08-2024
Partly Cloudy
59°F to 72°F
29-08-2024
Clear/Sunny
52°F to 70°F
30-08-2024
Cloudy
54°F to 72°F
31-08-2024
Light rain shower
61°F to 67°F

Map: other cities in Quebec in august

Cities near Montreal:

Coteau-du-Lac in augustgood weather
Sainte-Victoire in augustgood weather
Granby in augustgood weather
Sainte-Anne-de-la-Rochelle in augustgood weather
Drummondville in augustgood weather
Parc national du Mont-Tremblant in augustgood weather
Trois-Rivières in augustgood weather
Bécancour in augustgood weather
Sherbrooke in augustgood weather
Gatineau in augustgood weather
Parc national du Mont-Mégantic in augustgood weather
Mont-Laurier in augustgood weather
Quebec in august: See full list of cities

Click over cities on the map for information about the weather in august.

Legend: Montreal perfect weather good tolerable bad very bad


Weather data for Montreal in august:

Weather data for Montreal for august are derived from an average of the weather forecast since 2009 in Montreal. There is a margin of error and these forecasts are to be considered as general information only. The weather in Montreal can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Montreal.


Weather in july in Montreal
Weather in september in Montreal
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