Quick decision
When to visit Montreal?
🌞 Best time overall
July
🌡️ Optimal temperature
18°C–27°C in July
🌧 Least rain
39% rainy days in July
🌧 Wettest month
December (42%)
📅 Best score
8.3/10
By trip type
Best time by type of trip
FestivalsJune–August — Jazz Festival, Just for Laughs, Osheaga and Tam-Tams.
GastronomyYear-round — poutine, bagels, smoked meat and sugar shacks (March).
WinterDecember–March — ice rink, Igloofest and Christmas market.
HeritageYear-round — Old Montréal, Notre-Dame Basilica and Mount Royal.
Monthly climate data
Montreal weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ❄️ January | -12°C | -3°C | 39% | 2.5 | 5.7h | 3.2/10 |
| ❄️ February | -12°C | -2°C | 41% | 2.9 | 7.0h | 3.6/10 |
| 🌨️ March | -5°C | 4°C | 40% | 2.7 | 8.9h | 4.0/10 |
| 🌦️ April | 1°C | 10°C | 42% | 3.9 | 9.8h | 4.6/10 |
| 🌤️ May | 8°C | 19°C | 35% | 2.6 | 11.9h | 7.3/10 |
| 🌤️ June | 14°C | 24°C | 43% | 3.7 | 12.6h | 7.8/10 |
| 🌤️ July | 18°C | 27°C | 39% | 3.4 | 13.3h | 8.3/10 |
| 🌤️ August | 17°C | 25°C | 41% | 3.8 | 12.5h | 7.9/10 |
| 🌤️ September | 13°C | 22°C | 27% | 2.3 | 11.0h | 7.8/10 |
| ⛅ October | 7°C | 14°C | 38% | 4.1 | 8.2h | 5.2/10 |
| 🌦️ November | -1°C | 5°C | 44% | 2.8 | 5.8h | 2.8/10 |
| 🌨️ December | -8°C | 0°C | 42% | 2.8 | 4.9h | 2.6/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Challenging climate
Average 11°C, 39% rainy days, 10.2h sunshine/day. Score: 5.3/10.
☀️ Summer (Jun–Aug) — Good time
Average 25°C, 41% rainy days, 12.8h sunshine/day. Score: 8.0/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 14°C, 36% rainy days, 8.3h sunshine/day. Score: 5.3/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average -2°C, 41% rainy days, 5.9h sunshine/day. Score: 3.1/10.
Accommodation
Find a place to stay in Montreal
Check availability during the recommended period
Tip : off-peak months (December, January) are cheapest but weather is significantly worse.
Search on Hotels.comActivities & tours
Activities and tours in Montreal
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 39% rainy days and 27°C.
December is the wettest month with 42% rainy days.
Yes, July is the best month with an average of 27°C.
In winter, the average score is 3.1/10. Difficult period — prefer the peak season.
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