The best times to visit 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.


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    Weather in Montreal

    Temperature

    Average temperatures in 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 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.

    Montreal Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Montreal Temperatures (Celsius)

    Key
    High
    Average
    Low

    “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.

    Montreal Perceived Temperature (F)

    Key
    High
    Average
    Low

    Montreal Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average 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

    MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
    Jan25.917.710.8
    Feb27.219.212.4
    Mar39.230.322.9
    Apr55.445.337.3
    May69.85949.9
    Jun76.566.658.7
    Jul8171.664.1
    Aug79.37062.4
    Sep7362.955.2
    Oct58.35043.4
    Nov4638.232.3
    Dec3225.119.3

    Show Celsius

    MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
    Jan-3.4-7.9-11.8
    Feb-2.7-7.1-10.9
    Mar4-0.9-5.1
    Apr137.42.9
    May21159.9
    Jun24.719.214.8
    Jul27.22217.8
    Aug26.321.116.9
    Sep22.817.212.9
    Oct14.6106.3
    Nov7.83.40.2
    Dec0-3.8-7.1


     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of significant precipitation in 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 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 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.

    Chanceof Precipitation

    The graph below shows the % chance of rainy and snowy days in Montreal.

    Key
    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Montreal (in).

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
    Jan20%02.6
    Feb22%02.5
    Mar22%02.9
    Apr26%03.7
    May26%04.1
    Jun28%04.5
    Jul25%04
    Aug23%04.2
    Sep21%03.3
    Oct27%04.4
    Nov21%0.42.6
    Dec32%35

    Show Centimeters

    MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
    Jan2006.6
    Feb2206.4
    Mar2207.4
    Apr2609.4
    May26010.4
    Jun28011.4
    Jul25010.2
    Aug23010.7
    Sep2108.4
    Oct27011.2
    Nov2116.6
    Dec327.612.7

     

    Humidity and Wind

    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 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 Montreal.

    Key
    Avg. Relative Humidity

    Wind

    The graph below shows wind speed (max and average) in knots.

    Key
    Max Sustained Wind
    Average Daily Wind

    Average Wind Speeds

    Show Wind Speeds

    All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

    MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
    Jan3.7Barely noticeable6.3Light breeze
    Feb3.7Barely noticeable6.4Light breeze
    Mar4Light breeze6.8Light breeze
    Apr4Light breeze6.9Light breeze
    May3.8Barely noticeable6.5Light breeze
    Jun3.2Barely noticeable5.6Light breeze
    Jul3.1Barely noticeable5.6Light breeze
    Aug3Barely noticeable5.4Light breeze
    Sep3.1Barely noticeable5.6Light breeze
    Oct3.2Barely noticeable5.7Light breeze
    Nov3.3Barely noticeable5.9Light breeze
    Dec3.4Barely noticeable6.2Light breeze

    Show Relative Humidity by Month

    MonthAvg. Relative Humidity
    Jan60.1%
    Feb56.2%
    Mar49.1%
    Apr45.6%
    May48.3%
    Jun57.5%
    Jul58.1%
    Aug61.1%
    Sep61.2%
    Oct60.8%
    Nov59.2%
    Dec67.8%

     

    Is it Safe to Travel to Montreal?

    Our best data indicates this area is generally safe. As of Mar 17, 2019 there are no travel advisories or warnings for Canada; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Mar 17, 2019.


     

    The Busiest and Least Crowded Months

    The busiest month for tourism in Montreal, QC, CA 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 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

    Key
    Tourists Seeking Accommodations

    Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 47.2 in December means 47.2% of the tourists vs. July.



    Overall 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 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 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 TravelCanada › Montreal, QC, CA


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