Weather in August 2025

Montreal weather in August 2025

The temperatures in Montreal in August are comfortable with low of 16°C and and high up to 25°C.

You can expect about 3 to 8 days of rain in Montreal during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Montreal in August 2025.

If you’re planning to visit Montreal in the near future, we highly recommend that you review the 14 day weather forecast for Montreal before you arrive.

Temperatures
Temperatures
25° / 16°
Rainy Days
Rainy Days
7
Snowy Days
Snowy Days
0
Dry Days
Dry Days
24
Rainfall
Rainfall
157
mm
10.7
Sun Hours
10.7
Hrs

Montreal annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -6° / -13° 4 5 21 122 mm
Awful
February -5° / -12° 5 3 21 128 mm
Awful
March 1° / -6° 8 8 16 120 mm
Awful
April 10° / 2° 10 15 6 159 mm
Awful
May 19° / 9° 10 21 0 172 mm
Ok
June 23° / 13° 8 22 0 183 mm
Good
July 26° / 16° 8 23 0 157 mm
Good
August 25° / 16° 7 24 0 157 mm
Good
September 21° / 12° 6 24 0 127 mm
Good
October 13° / 6° 9 21 1 167 mm
Bad
November 5° / 0° 8 15 7 113 mm
Awful
December -2° / -7° 7 8 16 139 mm
Awful
Temperatures in Montreal in August
Rain in Montreal in August

Recommended Hotels in Montreal

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That’s why we run our special tools and found the best hotels in Montreal. Click on hotel for more details.

Weather in Montreal in August - FAQ

What is the average temperature in Montreal in August?
The average temperature in Montreal in August is 16/25° C.
What is the chance of rain in Montreal in August?
On average, there are 7 rainy days in Montreal during August.
Weather wise, is August a good time to visit Montreal?
The weather in Montreal in August is good.
Can it snow in Montreal in August?
On average, there are 0 snowy days in Montreal in August.
More about the weather in Montreal