Montreal Weather in August
Canada · August climate averages and travel tips
Avg high25°C (77°F)
Avg low15°C (59°F)
Rainfall102 mm (4.0 in)
RatingGood 7.3/10
Expect warm days in Montreal in August: the average high is 25°C (77°F) and the average low is 15°C (59°F). August is summer in Canada. The month is moderately rainy, with about 102 mm (4.0 in) of rain spread over 14 days, making it the third wettest month of the year. You get roughly 13.9 hours of daylight and a mix of sun and cloud.
Is August a good time to visit Montreal?
August is a good time to visit Montreal (7.3/10), though September is even better.
August weather at a glance
| Average high | 25°C (77°F) |
|---|---|
| Average low | 15°C (59°F) |
| Daily mean | 20°C (68°F) |
| Rainfall | 102 mm (4.0 in) |
| Rainy days (1 mm+) | 14 |
| Humidity | 74% |
| Cloud cover | 57% |
| Daylight | 13.9 hours |
| Est. sunshine | 6.6 hours/day |
| Wind | 8.9 km/h |
| vs July | About as warm as July, with similar rainfall. |
What to pack for Montreal in August
- T-shirts plus a light layer for the evening
- an umbrella or rain jacket
Montreal weather in other months
Jan-7°C / -18°C76 mmPoorFeb-5°C / -16°C66 mmPoorMar1°C / -9°C71 mmPoorApr10°C / -1°C98 mmPoorMay17°C / 7°C82 mmGoodJun22°C / 13°C106 mmGoodJul25°C / 16°C97 mmGoodAug25°C / 15°C102 mmGoodSep21°C / 10°C82 mmExcellentOct13°C / 4°C109 mmFairNov4°C / -3°C72 mmPoorDec-3°C / -12°C98 mmPoor
← JulyBest time to visit MontrealSeptember →
Better weather in August nearby
- San Francisco, California23°C · 1 mm · Excellent
- Seattle, Washington24°C · 25 mm · Excellent
- Vancouver22°C · 32 mm · Excellent
- Victoria21°C · 26 mm · Excellent
- Calgary24°C · 62 mm · Excellent
- Honolulu, Hawaii28°C · 42 mm · Excellent
Nearby in August
- Ottawa25°C · 94 mm
- Quebec23°C · 117 mm
- Boston, Massachusetts27°C · 95 mm
- Toronto25°C · 60 mm
- The Bronx, New York29°C · 116 mm
- Manhattan, New York29°C · 116 mm
Where else is good in August? See where to go in August.