The best times to visit Downtown Montreal for ideal weather are
May 14th to October 7th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Downtown Montreal Travel Guide
Other Downtown Montreal Travel Info
Weather in Downtown Montreal
Temperature
Average temperatures in Downtown Montreal vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 28th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Downtown Montreal, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 81.4°F (27.4°C) with temperatures rarely dropping below 65.1°F (18.4°C) at night.
Downtown Montreal Temperatures (Fahrenheit)
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Downtown Montreal Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Downtown Montreal Perceived Temperature (F)
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Downtown Montreal Perceived Temperature (C)
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Average Downtown Montreal Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 25.9 | 17.7 | 10.8 |
| Feb | 27.2 | 19.2 | 12.4 |
| Mar | 39.2 | 30.3 | 22.9 |
| Apr | 55.4 | 45.3 | 37.3 |
| May | 69.8 | 59 | 49.9 |
| Jun | 76.5 | 66.6 | 58.7 |
| Jul | 81 | 71.6 | 64.1 |
| Aug | 79.3 | 70 | 62.4 |
| Sep | 73 | 62.9 | 55.2 |
| Oct | 58.3 | 50 | 43.4 |
| Nov | 46 | 38.2 | 32.3 |
| Dec | 32 | 25.1 | 19.3 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | -3.4 | -7.9 | -11.8 |
| Feb | -2.7 | -7.1 | -10.9 |
| Mar | 4 | -0.9 | -5.1 |
| Apr | 13 | 7.4 | 2.9 |
| May | 21 | 15 | 9.9 |
| Jun | 24.7 | 19.2 | 14.8 |
| Jul | 27.2 | 22 | 17.8 |
| Aug | 26.3 | 21.1 | 16.9 |
| Sep | 22.8 | 17.2 | 12.9 |
| Oct | 14.6 | 10 | 6.3 |
| Nov | 7.8 | 3.4 | 0.2 |
| Dec | 0 | -3.8 | -7.1 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Downtown Montreal are January, November, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early February. For example, on the week of February 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.
When can you find snow in Downtown Montreal? Weather stations report a bit of annual snow likely to be deepest around December, especially close to late December. The best time to ski (if at all) in Downtown Montreal is often around around November 19th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Downtown Montreal.
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Snow on the Ground
The graph below shows the average snow on the ground in Downtown Montreal (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 20% | 0 | 2.6 |
| Feb | 22% | 0 | 2.5 |
| Mar | 22% | 0 | 2.9 |
| Apr | 26% | 0 | 3.7 |
| May | 26% | 0 | 4.1 |
| Jun | 28% | 0 | 4.5 |
| Jul | 25% | 0 | 4 |
| Aug | 23% | 0 | 4.2 |
| Sep | 21% | 0 | 3.3 |
| Oct | 27% | 0 | 4.4 |
| Nov | 21% | 0.4 | 2.6 |
| Dec | 32% | 3 | 5 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 20 | 0 | 6.6 |
| Feb | 22 | 0 | 6.4 |
| Mar | 22 | 0 | 7.4 |
| Apr | 26 | 0 | 9.4 |
| May | 26 | 0 | 10.4 |
| Jun | 28 | 0 | 11.4 |
| Jul | 25 | 0 | 10.2 |
| Aug | 23 | 0 | 10.7 |
| Sep | 21 | 0 | 8.4 |
| Oct | 27 | 0 | 11.2 |
| Nov | 21 | 1 | 6.6 |
| Dec | 32 | 7.6 | 12.7 |
Humidity and Wind
Downtown Montreal has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (45.6% relative humidity), and the most humid month is December (67.8%).
Wind in Downtown Montreal is usually extremely calm. The windiest month is March, followed by April and May. March’s average wind speed of around 4 knots (4.7 MPH or 7.5 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid April where average top sustained speeds reach 7.2 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Downtown Montreal.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 3.7 | Barely noticeable | 6.3 | Light breeze |
| Feb | 3.7 | Barely noticeable | 6.4 | Light breeze |
| Mar | 4 | Light breeze | 6.8 | Light breeze |
| Apr | 4 | Light breeze | 6.9 | Light breeze |
| May | 3.8 | Barely noticeable | 6.5 | Light breeze |
| Jun | 3.2 | Barely noticeable | 5.6 | Light breeze |
| Jul | 3.1 | Barely noticeable | 5.6 | Light breeze |
| Aug | 3 | Barely noticeable | 5.4 | Light breeze |
| Sep | 3.1 | Barely noticeable | 5.6 | Light breeze |
| Oct | 3.2 | Barely noticeable | 5.7 | Light breeze |
| Nov | 3.3 | Barely noticeable | 5.9 | Light breeze |
| Dec | 3.4 | Barely noticeable | 6.2 | Light breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 60.1% |
| Feb | 56.2% |
| Mar | 49.1% |
| Apr | 45.6% |
| May | 48.3% |
| Jun | 57.5% |
| Jul | 58.1% |
| Aug | 61.1% |
| Sep | 61.2% |
| Oct | 60.8% |
| Nov | 59.2% |
| Dec | 67.8% |
Is it Safe to Travel to Downtown Montreal?
#N/A
The Busiest and Least Crowded Months
The busiest month for tourism in Downtown Montreal, QC, Canada is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Downtown Montreal in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Downtown Montreal Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 74°F (23.3°C) and 30.4°F (-0.9°C) with far warmer temperatures in the later months. Rain is somewhat common with 7 to 8 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Downtown Montreal, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 78.5°F (25.8°C) and 39.3°F (4.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is far too cold this time of year in Downtown Montreal to be enjoyable for warm weather travelers. The average high during this season is between 35.9°F (2.2°C) and 20.8°F (-6.2°C). On average, it rains or snows a fair amount: 6 to 10 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› Canada › Downtown Montreal, QC, Canada