Montreal in August
Warm and lively
By Daan · Last reviewed October 2026
The short answer
August is a reasonable month in Montreal — with trade-offs.
August is warm and lively, with markets, terraces and outdoor events across the city.
August in detail
What August actually feels like
- Weather
- 17–25°C
- Warm and humid.
- Crowds
- High
- Expect queues at the headline sights and full terraces in the evening.
- Prices
- $$$$
- Higher rates, especially for central and view rooms.
+Warm evenings and plenty of events.
–Humid and busy.
My tip for August
Escape the heat in the Underground City or on Mount Royal.
- Markets
- Terraces
- Cycling
How August compares
Against the other eleven months
5th of 12 overall in Montreal, 3rd for weather, 10th for space, 11th for value. The emptiest month is March; the best value is March.
See all twelve months for MontrealNot set on August?
Even stronger months in Montreal
Also good in August
Weather
Weather in Montreal in August
In August Montreal averages a high of 25°C (77°F) and a low of 17°C (63°F), with about 101 mm of rain or snow over 13 wet days. The warmest month is July (around 27°C) and the coolest is January (around -5°C); the wettest month is July.
- Average high
- 25°C
- 77°F
- Average low
- 17°C
- 63°F
- Precipitation
- 101 mm
- Wet days
- 13
Climate data: Environment and Climate Change Canada. Temperatures are averages of daily highs and lows.
Quick answers
Montreal in August: the questions people ask
- Is August a good time to visit Montreal?
- August is a reasonable month in Montreal — with trade-offs. It ranks 5 of 12 months in Montreal overall (3 for weather, 10 for space, 11 for value). The main upside: Warm evenings and plenty of events. The main downside: Humid and busy.
- What is the weather like in Montreal in August?
- Average highs are around 25°C and lows around 17°C. Expect about 101 mm of rain or snow over roughly 13 wet days. Warm and humid. For comparison, the warmest month is July (around 27°C) and the coolest is January (around -5°C).
- Is Montreal crowded in August?
- Crowds are high. Expect queues at the headline sights and full terraces in the evening. The quietest month is March.
- How expensive is Montreal in August?
- Prices are at level 4 of 5 ($$$$). Higher rates, especially for central and view rooms. The best-value month is March.
- When is the best time to visit Montreal?
- In the CrowdFreeViews month scores, September is the best month overall (August ranks 5 of 12). The quietest month is March and the best value is March.
Ready to book August in Montreal?
Warm evenings and plenty of events.
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