Best Time to Visit Montreal
Canada · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Montreal are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Montreal sees its warmest weather in July, when daytime highs average around 25°C, and its coolest in January (around -5°C).
Annual precipitation totals roughly 1228mm — August is typically the wettest month (~118mm) and February the driest (~75mm).
A distinctly wetter period runs from June to August — worth planning around if you prefer dry days.
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 37 days
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | -5° / -14°C | 87mm | 🤔 Fair |
| February | -3° / -12°C | 75mm | 🤔 Fair |
| March | 3° / -7°C | 78mm | 🤔 Fair |
| April | 11° / 1°C | 99mm | ⚠️ Challenging |
| May | 18° / 8°C | 104mm | 👍 Good |
| June | 23° / 14°C | 115mm | 🌟 Great |
| July | 25° / 17°C | 115mm | 👍 Good |
| August | 24° / 16°C | 118mm | 🌟 Great |
| September | 20° / 12°C | 108mm | 👍 Good |
| October | 12° / 5°C | 113mm | 🤔 Fair |
| November | 6° / -1°C | 113mm | ⚠️ Challenging |
| December | -1° / -9°C | 104mm | ⚠️ Challenging |
FAQ
- What is the best time to visit Montreal?
- Based on 30 years of climate data, the most comfortable months to visit Montreal are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Montreal?
- July is typically the hottest month in Montreal, with average daytime highs around 25°C.
- What is the rainiest month in Montreal?
- August is usually the wettest month, with around 118mm of precipitation.