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When is the best time to visit Montreal?
In general the best time to visit Montreal is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
But ultimately the best time to visit depends on what you want to do:
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +27°C in July and it has 6 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during May - September.
- If you want to avoid wet weather, then your choice is October, November, December with the lowest chance of rain.
Average weather in Montreal in different months
This is the average weather in Montreal for each month based on historic data:
May, June, July, August, September usually has good weather. Average maximum temperature reaches +27°C during July.
In January, February, March, April, October, November, December the weather is OK. Expect around 64 snowy days, and the precipitation amounts to approximately 56 mm in December.
Climate in Montreal
Here is the detailed breakdown of the climate in Montreal for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +13°C | +15°C | +26°C | +30°C | +35°C | +35°C | +36°C | +35°C | +34°C | +30°C | +23°C | +17°C |
| Average Maximum Temperature | |||||||||||
| -4°C | -3°C | +3°C | +12°C | +20°C | +24°C | +27°C | +25°C | +21°C | +13°C | +6°C | -1°C |
| Minimum Temperature | |||||||||||
| -34°C | -32°C | -29°C | -14°C | -3°C | +2°C | +7°C | +6°C | -3°C | -6°C | -20°C | -31°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 72 | 69 | 66 | 62 | 61 | 66 | 68 | 71 | 73 | 73 | 74 | 75 |
| Rain, mm | |||||||||||
| 18 | 17 | 35 | 88 | 94 | 105 | 98 | 102 | 98 | 113 | 78 | 37 |
| Snow, mm | |||||||||||
| 50 | 48 | 39 | 17 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 56 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Sunny Days | |||||||||||
| 3 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 5 | 3 | 3 |
| Cloud Days | |||||||||||
| 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 11 |
| Rainy Days | |||||||||||
| 2 | 2 | 4 | 12 | 14 | 13 | 13 | 13 | 13 | 16 | 10 | 3 |
| Snowy Days | |||||||||||
| 15 | 12 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 15 |
Average Temperature
Here are the average maximum and minimum temperatures in Montreal during the whole year:
The hottest month in Montreal is July with average maximum temperature going up to +27°C. The coldest month is January with the lowest temperatures of -13°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Montreal looks throughout the year, in %:
The most humid month in Montreal is December with average humidity going up to 75%. The least humid month is May with an average humidity of 61%.
Rain
Amount of rainfall in mm. in Montreal during the whole year based on historical data:
The sunniest and driest month is September with approximately 7 sunny days and a total precipitation of around 98 mm. The rainiest and wettest month is October with approximately 16 rainy days and 113 mm of total precipitation.
Snow
Amount of snow in mm. in Montreal during the whole year based on historical data:
The snowiest month is December with approximately 15 snowy days.
FAQ
Frequently asked questions about the weather in Montreal:
What is the hottest month in Montreal?
The hottest month in Montreal is July with average maximum temperature of +27°C.
What is the coldest month in Montreal?
The coldest month in Montreal is January with minimum temperatures of -13°C.
Is Montreal worth visiting in winter?
Winter in Montreal could be a good time to visit, as the weather is generally ok.
When does it rain the least in Montreal?
if you're looking to visit Montreal when it rains the least, you should plan your trip for October, June, August. During this time, rainfall is rare with the driest month being February with only 17 mm of rain.
Other cities in Canada
Check out the weather for other cities in Canada.
Monthly weather in Montreal
Source of the data
For this page, we’ve looked at the typical weather in Montreal, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.