Montréal
December
Weather in Montréal for December 2025
Your guide to Montréal weather in December - trends and predictions
Expect heavy snowfall in Montréal during December, with an average of 19 snowy days.
In general, the average temperature in Montréal at the beginning of December is 1.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.3 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
6
Dry days
6
Rainy days
19
Snow days
1°/-5°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Montréal in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  1° | 2  2° | 3 3° | 4 -0° | 5  1° | 6  1° | |
| 7 1° | 8 -0° | 9 -0° | 10 1° | 11 3° | 12 2° | 13  3° |
| 14 1° | 15 1° | 16  2° | 17 3° | 18 1° | 19 -0° | 20 -1° |
| 21 -1° | 22 -2° | 23 -1° | 24  -1° | 25 -0° | 26 -1° | 27 -3° |
| 28  1° | 29 1° | 30  2° | 31 2° |
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Temperatures trend during December in Montréal
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Light freezing rain | 1° /-1° | 0.8 mm | 0 cm | |
| 2 Dec. | Overcast | 2° /-3° | 2.4 mm | 0 cm | |
| 3 Dec. | Overcast | 3° /-2° | 5.4 mm | 0 cm | |
| 4 Dec. | Overcast | 0° /-4° | 6.1 mm | 4.9 cm | |
| 5 Dec. | Partly cloudy | 1° /-4° | 7.8 mm | 5.5 cm | |
| 6 Dec. | Moderate or heavy rain shower | 1° /-7° | 11 mm | 2.1 cm | |
| 7 Dec. | Partly cloudy | 1° /-7° | 3 mm | 0 cm | |
| 8 Dec. | Overcast | 0° /-8° | 4.9 mm | 3.6 cm | |
| 9 Dec. | Overcast | 0° /-7° | 2.9 mm | 2 cm | |
| 10 Dec. | Light freezing rain | 1° /-4° | 18.5 mm | 3.3 cm | |
| 11 Dec. | Overcast | 3° /-2° | 15.1 mm | 1.5 cm | |
| 12 Dec. | Overcast | 2° /-4° | 4.9 mm | 0.7 cm | |
| 13 Dec. | Sunny | 3° /-3° | 0.4 mm | 0 cm | |
| 14 Dec. | Sunny | 1° /-6° | 0 mm | 0 cm | |
| 15 Dec. | Partly cloudy | 1° /-5° | 0.7 mm | 0 cm | |
| 16 Dec. | Cloudy | 2° /-4° | 1.7 mm | 0 cm | |
| 17 Dec. | Partly cloudy | 3° /-4° | 6.8 mm | 0.7 cm | |
| 18 Dec. | Sunny | 1° /-3° | 14.6 mm | 2.8 cm | |
| 19 Dec. | Overcast | 0° /-7° | 4.7 mm | 3.3 cm | |
| 20 Dec. | Overcast | -1° /-7° | 0.7 mm | 0.2 cm | |
| 21 Dec. | Overcast | -1° /-6° | 0.1 mm | 0 cm | |
| 22 Dec. | Overcast | -2° /-8° | 0.8 mm | 0.3 cm | |
| 23 Dec. | Light freezing rain | -1° /-9° | 6.1 mm | 1.2 cm | |
| 24 Dec. | Heavy rain at times | -1° /-7° | 8 mm | 3.5 cm | |
| 25 Dec. | Light freezing rain | 0° /-7° | 6 mm | 0.1 cm | |
| 26 Dec. | Overcast | -1° /-7° | 0.5 mm | 0 cm | |
| 27 Dec. | Overcast | -3° /-8° | 2 mm | 0 cm | |
| 28 Dec. | Patchy rain possible | 1° /-7° | 2.1 mm | 0.6 cm | |
| 29 Dec. | Overcast | 1° /-4° | 3.2 mm | 0 cm | |
| 30 Dec. | Moderate snow | 2° /-3° | 6.2 mm | 0.9 cm | |
| 31 Dec. | Overcast | 2° /-2° | 3 mm | 0.2 cm | |
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Important Notice
Our weather forecast for Montréal in December 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 December - FAQ
What are the expected maximum and minimum temperatures in Montréal during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Montréal during December?
Significant rainfall exceeding 135.9 mm is expected in Montréal during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Montréal in December 2025?
Montréal experiences an average snowfall of 31.138 cm during December, occurring over 19 days.
What are the typical wind conditions in Montréal during December?
The average wind speed in Montréal during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Montréal snow forecast December 2025
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December rainfall patterns in Montréal
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