Montréal
October
Weather in Montréal for October 2025
Your guide to Montréal weather in October - trends and predictions
In general, the average temperature in Montréal at the beginning of October is 21.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.3 °C by the end of October.
Expect significant rainfall in Montréal during October, with an average of 17 rainy days.
Snowfall in Montréal during October is quite rare, with fewer than 2 snowy days on average.
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13
Dry days
17
Rainy days
1
Snow days
16°/8°
Temperatures
16 km/h
Avg max wind
78 %
Avg humidity
Montréal in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 19° | 3  25° | 4 25° | 5 22° | ||
| 6  20° | 7  18° | 8  13° | 9 12° | 10 12° | 11 14° | 12 13° |
| 13 13° | 14 12° | 15 9° | 16 11° | 17  14° | 18 15° | 19 13° |
| 20 15° | 21 19° | 22  15° | 23 16° | 24 13° | 25 14° | 26 13° |
| 27 13° | 28 12° | 29 9° | 30  12° | 31  13° |
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Temperatures trend during October in Montréal
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. | Mist | 23° /10° | 0 mm | 0 cm | |
| 2 Oct. | Mist | 19° /10° | 3.4 mm | 0 cm | |
| 3 Oct. | Cloudy | 25° /11° | 0 mm | 0 cm | |
| 4 Oct. | Mist | 25° /12° | 0 mm | 0 cm | |
| 5 Oct. | Cloudy | 22° /14° | 0 mm | 0 cm | |
| 6 Oct. | Patchy light drizzle | 20° /10° | 3.8 mm | 0 cm | |
| 7 Oct. | Moderate or heavy rain shower | 18° /10° | 48 mm | 0 cm | |
| 8 Oct. | Light rain shower | 13° /6° | 10.8 mm | 0 cm | |
| 9 Oct. | Patchy rain possible | 12° /5° | 0.3 mm | 0 cm | |
| 10 Oct. | Light rain shower | 12° /7° | 2.5 mm | 0 cm | |
| 11 Oct. | Light drizzle | 14° /7° | 1 mm | 0 cm | |
| 12 Oct. | Fog | 13° /6° | 6.2 mm | 0 cm | |
| 13 Oct. | Patchy rain possible | 13° /3° | 0.2 mm | 0 cm | |
| 14 Oct. | Patchy rain possible | 12° /5° | 2.3 mm | 0 cm | |
| 15 Oct. | Patchy rain possible | 9° /4° | 0.1 mm | 0 cm | |
| 16 Oct. | Patchy rain possible | 11° /5° | 0.1 mm | 0 cm | |
| 17 Oct. | Overcast | 14° /4° | 0 mm | 0 cm | |
| 18 Oct. | Patchy rain possible | 15° /4° | 0 mm | 0 cm | |
| 19 Oct. | Overcast | 13° /5° | 0 mm | 0 cm | |
| 20 Oct. | Patchy rain possible | 15° /8° | 0.3 mm | 0 cm | |
| 21 Oct. | Light rain shower | 19° /10° | 6.5 mm | 0 cm | |
| 22 Oct. | Moderate rain | 15° /6° | 13.4 mm | 0 cm | |
| 23 Oct. | Mist | 16° /8° | 2.7 mm | 0 cm | |
| 24 Oct. | Mist | 13° /6° | 3.6 mm | 0 cm | |
| 25 Oct. | Light drizzle | 14° /5° | 1.7 mm | 0 cm | |
| 26 Oct. | Patchy rain possible | 13° /9° | 1.9 mm | 0 cm | |
| 27 Oct. | Light rain | 13° /7° | 1.5 mm | 0 cm | |
| 28 Oct. | Light rain shower | 12° /1° | 0.5 mm | 0 cm | |
| 29 Oct. | Overcast | 9° /1° | 1.9 mm | 0 cm | |
| 30 Oct. | Moderate snow | 12° /5° | 9.8 mm | 3 cm | |
| 31 Oct. | Partly cloudy | 13° /6° | 0.3 mm | 0 cm | |
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Important Notice
Our weather forecast for Montréal in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Montréal forecast closer to your planned date for the most up-to-date weather information.
Montréal in October - FAQ
What are the expected maximum and minimum temperatures in Montréal during October?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Montréal during October?
Significant rainfall exceeding 124.5 mm is expected in Montréal during October, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Montréal during October?
Montréal experiences an average snowfall of 5.9 cm during October, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Montréal during October?
The average wind speed in Montréal during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Montréal
Explore the daily rainfall trends and prepare for Montréals October weather 💧
October snowfall in Montréal
Track daily snowfall levels and discover Montréal’s snowy potential this October ❄️
UV exposure in Montréal during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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