Montréal: Weather Guide & Climate
Complete month-by-month weather guide: Montréal. Best time to visit: June, July, August, September. Plan your trip with detailed climate data.
☀️ Climate Overview
Montréal has a Cool climate with average yearly highs of 12°C, lows of 3°C, and approximately 12 rainy days per month.
The best time to visit Montréal is during June, July, August, September, when weather is pleasant and ideal for outdoor activities
Drier season: Jan–Nov Wetter season: Jun–Dec
Now
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Air Quality
Hottest
Coldest
Driest Month
Windiest Month
21 km/h
February (gusts 38)
Forecast for your trip dates
Up to 14 days aheadWeather by Season
Spring
Mar–May
Summer
Jun–Aug
Autumn
Sep–Nov
Winter
Dec–Feb
Month-by-Month Weather Table
January
February
March
April
May
June
BestJuly
BestAugust
BestSeptember
BestOctober
November
December
| Month | High | Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition | View Details |
|---|---|---|---|---|---|---|---|---|---|
| January | -5°C | -12°C | 11d (73mm) | 5.2h | 79% Humid | 2.4 Moderate | | Good | View Details → |
| February | -3°C | -12°C | 11d (72mm) | 6.6h | 74% Humid | 3.9 Moderate | | Good | View Details → |
| March | 4°C | -5°C | 12d (86mm) | 7.8h | 69% Humid | 5.4 High | | Good | View Details → |
| April | 12°C | 2°C | 12d (112mm) | 8.8h | 63% Moderate | 6.8 High | | Good | View Details → |
| May | 20°C | 9°C | 11d (73mm) | 10.7h | 60% Moderate | 8.5 Very High | | Good | View Details → |
| June (best) | 24°C | 14°C | 13d (119mm) | 11h | 67% Humid | 8.5 Very High | | Excellent | View Details → |
| July (best) | 27°C | 17°C | 14d (119mm) | 11.8h | 73% Humid | 8.5 Very High | | Excellent | View Details → |
| August (best) | 25°C | 15°C | 13d (141mm) | 10.4h | 75% Humid | 7.2 Very High | | Excellent | View Details → |
| September (best) | 21°C | 11°C | 8d (76mm) | 9.4h | 77% Humid | 5.8 High | | Excellent | View Details → |
| October | 15°C | 6°C | 11d (112mm) | 7.3h | 76% Humid | 3.8 Moderate | | Good | View Details → |
| November | 6°C | -1°C | 12d (82mm) | 5.5h | 76% Humid | 2.3 Moderate | | Good | View Details → |
| December | -1°C | -7°C | 13d (95mm) | 4.5h | 78% Humid | 1.7 Low | | Wet | View Details → |
Montréal
French-speaking city, including cobbled Old Montreal, Old Montreal and Mont Royal views, festivals, and poutine.
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Frequently Asked Questions
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More Montréal Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
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Overview
Complete travel guide for Montréal: top things to do, itineraries, and typical costs.