Montreal in august: average Weather, Temperature and Climate
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
Clear/Sunny
35% of time
35%
15%
8%
Weather at 12pm
77°F
Clear/Sunny
38% of time
27%
22%
9%
Weather at 6pm
72°F
Clear/Sunny
43% of time
24%
19%
11%
Weather at 3am
63°F
31%
24%
21%
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:
68°F to 86°F
70°F to 86°F
74°F to 85°F
68°F to 85°F
67°F to 70°F
58°F to 74°F
58°F to 74°F
58°F to 77°F
65°F to 68°F
65°F to 74°F
59°F to 70°F
58°F to 68°F
59°F to 77°F
63°F to 79°F
65°F to 81°F
67°F to 83°F
68°F to 72°F
67°F to 77°F
59°F to 68°F
52°F to 63°F
54°F to 58°F
56°F to 63°F
56°F to 74°F
61°F to 76°F
63°F to 76°F
63°F to 79°F
65°F to 81°F
59°F to 72°F
52°F to 70°F
54°F to 72°F
61°F to 67°F
Map: other cities in Quebec in august
Cities near Montreal:
Coteau-du-Lac in august | good weather |
Sainte-Victoire in august | good weather |
Granby in august | good weather |
Sainte-Anne-de-la-Rochelle in august | good weather |
Drummondville in august | good weather |
Parc national du Mont-Tremblant in august | good weather |
Trois-Rivières in august | good weather |
Bécancour in august | good weather |
Sherbrooke in august | good weather |
Gatineau in august | good weather |
Parc national du Mont-Mégantic in august | good weather |
Mont-Laurier in august | good weather |
Click over cities on the map for information about the weather in august.
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.