Best time to visit Montreal, Canada
Based on 2020–2024 of daily weather data, the best months to visit Montreal are May, September, June — when temperatures are comfortable, rainfall is low, and sunshine is plentiful.
Months ranked by travel comfort
| Rank | Month | High | Low | Precip | Rainy days | Sun | Score |
|---|---|---|---|---|---|---|---|
| 1 ★ | May | 19.8° | 8.7° | 302.8 mm | 78 | 10.8 h | 84 |
| 2 ★ | September | 21.3° | 13° | 399.1 mm | 69 | 9.3 h | 84 |
| 3 ★ | June | 24.6° | 15° | 594 mm | 99 | 10.7 h | 78 |
| 4 | July | 26.6° | 18.2° | 590.5 mm | 111 | 11.6 h | 78 |
| 5 | August | 25.2° | 17.1° | 768.2 mm | 109 | 10.3 h | 73 |
| 6 | October | 14.9° | 7.3° | 512.7 mm | 93 | 7 h | 63 |
| 7 | April | 11.8° | 1.4° | 570.7 mm | 85 | 8.2 h | 54 |
| 8 | November | 7.1° | 0.4° | 350 mm | 84 | 5.7 h | 50 |
| 9 | March | 4.4° | -4.8° | 421.9 mm | 86 | 7.6 h | 42 |
| 10 | February | -2.3° | -11.8° | 346.9 mm | 95 | 6.2 h | 33 |
| 11 | January | -4.1° | -12.1° | 387.5 mm | 90 | 4.7 h | 29 |
| 12 | December | 0.5° | -5.9° | 471.4 mm | 98 | 4 h | 28 |
Score (0–100) blends ideal-temperature comfort (50%), low-rainfall (30%), and sunshine (20%). Higher is better for a typical sightseeing trip.
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