Late summer · Weather & things to do
Montréal in August
Little changes in Montréal from July: highs stay near 79°F (26°C), lows near 61°F (16°C), and about 3.9 in (98 mm) of rain falls.
At 81/100 for comfort (3rd of 12), it's one of the best months to visit.

- Avg high
- 79°F (26°C)
- Avg low
- 61°F (16°C)
- Rain
- 3.9 in (98 mm)
- Humidity
- 74%
- Cloud cover
- 57%
- Daylight
- ~13 h 56 min
- Comfort score
- 81/100 · Great
What August feels like
Days are warm, averaging 79°F (26°C), easy weather for being outside from morning to evening.
Lows average 61°F (16°C).
Showers are part of the month, adding up to about 3.9 in (98 mm).
Plan around August
August is one of Montréal's best months on the climate data.
- Inside the wettest three-month stretch, June – August.
- Comfort holds steady from July (80 → 81/100).
- August sits inside the Jun – Oct window our Montréal, Québec City & Charlevoix route recommends.
What to pack for August
- Light, breathable clotheshighs average 79°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Montréal in August
With conditions on your side, the picks below favor time outside.
St-Viateur Bagel
Wood-fired, honey-boiled bagels made around the clock since 1957.
Montréal Museum of Fine Arts
Five pavilions spanning Québec and Indigenous art to European masters on Sherbrooke Street.
Dieu du Ciel!
Pioneering brewpub pouring inventive house beers since 1998.
Old Montréal
Cobbled lanes, 18th-century stone buildings and the Old Port waterfront along the St. Lawrence.
Why now August scores 81/100 for comfort, good conditions for being outside.
Jean-Talon Market
One of North America's largest open-air markets, packed with Québec cheeses, maple and seasonal produce.
Nearby in August
- Mont-Tremblant in August~69 mi · highs 74°F, 3.8 in rain · 3°C (5°F) cooler by day, about as wet
- Vermont in August~81 mi · highs 75°F, 4.3 in rain · 2°C (4°F) cooler by day, about as wet
- Stowe in August~84 mi · highs 75°F, 4.3 in rain · 2°C (4°F) cooler by day, about as wet
- White Mountains in August~140 mi · highs 56°F, 4.4 in rain · 13°C (23°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Montréal in August: quick answers
Is August a good time to visit Montréal?
Yes. On the climate data it's one of the best months, scoring 81/100. Expect highs of 79°F (26°C) and 3.9 in (98 mm) of rain. August is inside the Jun – Oct window our Montréal, Québec City & Charlevoix route recommends.
How hot is Montréal in August?
Average highs are 79°F (26°C) and average lows 61°F (16°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Montréal in August?
Some: about 3.9 in (98 mm) of rain falls across August on average, the 3rd-wettest month of the year. The annual total is about 42.8 in (1087 mm).
What should I pack for Montréal in August?
Bring light, breathable clothes (highs average 79°F), sunscreen, sunglasses and a hat (strong sun this month), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
More on Montréal
Routes in season in August
- Montréal, Québec City & Charlevoix Jun – Oct
Planning Montréal in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





