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Montreal in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Montreal in October will be like? Take a look at our weather guide for Montreal, based on historical data.
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October

Weather in Montreal in October 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Montreal in October, the weather is typically alright, with an average high temperature of +55°F during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 8 rainy days in the month and around 104 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+55°F
Avg. max. temperature
+21°F
Min.
+81°F
Max.
104 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
6 ☀️
Sunny Days
17 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Montreal has OK weather in October.

Average temperature in Montreal in October

Here are the expected maximum, average and minimum temperatures in Montreal for October based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in October is +61°F with a maximum of +75°F and a minimum of +32°F.

The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +63°F to +61°F.

Is Montreal warm or cold in October?

Montreal is typically mild in October.

Maximum temperatures go down compared to the previous month from +70°F to +55°F. The minimum temperature also goes down from +54°F to +43°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Montreal:

Climate in Montreal in October

Montreal weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+70°F+55°F+43°F
Min. temperature
+27°F+21°F-4°F
Max. temperature
+93°F+81°F+73°F
Rainfall
99 mm104 mm71 mm
Wind
3 m/s3 m/s3 m/s
Humidity
72%72%73%
Air pressure
1015 HPa1015 HPa1015 HPa
Sunny days
863
Cloudy days
141719
Rainy days
886
Snowy days
002

October typically has worse weather conditions compared to September. It’s getting colder in October. From +70°F in the day, the average maximum temperature lowers to +55°F. Prepare for more rain. Average rainfall goes from 99 mm to 104 mm. Humidity levels don’t change as the month goes on, averaging around 72%. The average wind speed doesn’t change much during October, staying around 3 m/s. The days becoming less sunny, going from 8 sunny days in September to 6 in October.

November brings much the same weather, it remains ok.

Wind

Wind speed in Montreal in October based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Montreal is gradually decreasing during October, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Montreal based on historical data.
Last Year
Historical Data
Total precipitation in October is about 124 mm, with a 48% chance of rain on a typical day. The maximum amount of rainfall per day is around 42 mm, which is moderate rain. October is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
October is one of the rainiest months in Montreal, here is a comparison with other months, total mm:
Montreal wettest month is October, where a typical day has a 26% chance of precipitation and 104 mm of rainfall per day. February, on the other hand, is the driest month with a mere 3% chance of precipitation and 17 mm of rainfall per day.

Snow

Amount of snow in mm during October in Montreal based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in October, with a total monthly snowfall of approximately 0 mm.

Here’s how October is compared with other months in the amount of snow, total mm:

How was the weather last October in Montreal?

This is the weather in Montreal in October 2023:
1 October
☀️
+62°F
2 October
☀️
+56°F
3 October
☀️
+59°F
4 October
☀️
+65°F
5 October
☀️
+70°F
6 October
☀️
+73°F
7 October
🌧️
+65°F
8 October
☀️
+47°F
9 October
🌧️
+54°F
10 October
☀️
+53°F
11 October
☀️
+61°F
12 October
☀️
+68°F
13 October
☀️
+64°F
14 October
☁️
+60°F
15 October
🌫️
+64°F
16 October
☀️
+58°F
17 October
☁️
+61°F
18 October
🌧️
+55°F
19 October
☁️
+52°F
20 October
🌧️
+45°F
21 October
☁️
+58°F
22 October
☀️
+68°F
23 October
☀️
+69°F
24 October
☁️
+67°F
25 October
☀️
+75°F
26 October
☀️
+75°F
27 October
☀️
+64°F
28 October
☀️
+49°F
29 October
☀️
+58°F
30 October
☀️
+62°F
31 October
☁️
+60°F
In October 2023 Montreal had 20 sunny days, 6 cloudy days, and 4 rainy days. The average maximum temperature was +61°F, with an absolute maximum of +75°F and a minimum of +45°F. The average humidity was 70%, with a maximum of 97% and a minimum of 34%. The average wind speed was 4 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Montreal climate has changed over the last 43 years.

The climate in Montreal in October has not changed that much over the last 43 years.

The average temperature was the lowest in 1988 (+52°F) and the highest in 2017 (+67°F). The driest year was 1994 with only 20 mm of rainfall, and the wettest year was 2019 with 474 mm.

FAQ

Frequently asked questions about the weather in Montreal in October:

Is October a good time to visit Montreal?

It’s always a good time to visit Montreal, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Montreal in October?

October has mild temperatures in Montreal. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Montreal rainy in October?

Montreal is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Montreal in October?

Usually, it’s not very sunny in Montreal in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

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, 2022.

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.