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 18 snowy days.
According to Montréal snow forecast for December 2025, 8 snowy days are expected in the next 2 weeks. The closest date with snow is Monday, 15 December.Until now, December 2025 in Montréal is cooler than usual, with temperatures averaging -2.5 °C, this is -3.2 °C below the typical seasonal average.
The forecast for the next days in Montréal predicts a temperature of -5.3 °C, which is cooler than the historical average.
In general, the average temperature in Montréal at the beginning of December is 0.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -3.9 °C by the end of December.
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Snow Forecast ❄️
Temperatures
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6
Dry days
7
Rainy days
18
Snow days
0°/-5°
Temperatures
19 km/h
Avg max wind
79 %
Avg humidity
Montréal Weather December
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Temperatures trend during December in Montréal
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December weather in Montréal day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light freezing rain | 1° /-2° | 0.6 mm | 0 cm | |
| 2 Dec. |  Overcast | 1° /-3° | 3.3 mm | 1 cm | |
| 3 Dec. | Overcast | 2° /-3° | 4.6 mm | 0.2 cm | |
| 4 Dec. | Overcast | 0° /-6° | 4.9 mm | 3.9 cm | |
| 5 Dec. |  Partly cloudy | 0° /-6° | 6.3 mm | 4.4 cm | |
| 6 Dec. |  Moderate or heavy rain shower | 1° /-8° | 9.4 mm | 2.1 cm | |
| 7 Dec. | Partly cloudy | 1° /-7° | 2.9 mm | 0.4 cm | |
| 8 Dec. | Overcast | -1° /-8° | 4.3 mm | 3.1 cm | |
| 9 Dec. | Overcast | -1° /-8° | 3 mm | 2.1 cm | |
| 10 Dec. | Light freezing rain | 1° /-4° | 20.1 mm | 6.5 cm | |
| 11 Dec. | Overcast | 2° /-4° | 12.6 mm | 1.3 cm | |
| 12 Dec. | Overcast | 1° /-5° | 4.1 mm | 0.6 cm | |
| 13 Dec. |  Sunny | 2° /-5° | 0.3 mm | 0 cm | |
| 14 Dec. | Sunny | -3° /-12° | 0 mm | 0 cm | |
| 15 Dec. |  Moderate snow | -8° /-11° | 1.3 mm | 1 cm | |
| 16 Dec. |  Moderate or heavy snow showers | -4° /-7° | 1.9 mm | 1.3 cm | |
| 17 Dec. |  Patchy rain possible | 3° /-5° | 1.2 mm | 0 cm | |
| 18 Dec. | Moderate or heavy snow showers | -5° /-10° | 3.9 mm | 0 cm | |
| 19 Dec. |  Blizzard | 3° /-6° | 1.1 mm | 0 cm | |
| 20 Dec. | Moderate or heavy snow showers | -5° /-8° | 4.7 mm | 2.1 cm | |
| 21 Dec. | Light freezing rain | -1° /-7° | 4.2 mm | 0.1 cm | |
| 22 Dec. | Sunny | -9° /-13° | 0 mm | 0 cm | |
| 23 Dec. |  Patchy moderate snow | 4° /-8° | 5.5 mm | 0.7 cm | |
| 24 Dec. | Overcast | -16° /-17° | 0 mm | 0 cm | |
| 25 Dec. | Partly cloudy | -12° /-17° | 0 mm | 0 cm | |
| 26 Dec. | Moderate or heavy snow showers | -11° /-13° | 2.1 mm | 1.5 cm | |
| 27 Dec. | Light freezing rain | -10° /-18° | 0.1 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.
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Montréal in December - FAQ
What are the expected maximum and minimum temperatures in Montréal during December?
Brace for cold days with temperatures not exceeding 0° 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 150.3 mm is expected in Montréal during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Montréal in December 2025?
Montréal experiences an average snowfall of 37.4105 cm during December, occurring over 18 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
Track daily snowfall levels and discover Montréal’s snowy potential this December ❄️
On average, Montréal sees 18 snowy days during December, with approximately 37.4 cm of total snowfall.
December rainfall patterns in Montréal
Explore the daily rainfall trends and prepare for Montréals December weather 💧
Typically, Montréal has 7 rainy days in December with a total of 150.3 mm of rainfall.
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