Westmount
December
Weather in Westmount for December 2025
Your guide to Westmount weather in December - trends and predictions
The climate of Westmount in December is quite snowy, averaging 12 snowy days.
According to Westmount snow forecast for December 2025, 8 snowy days are expected until the end of the month. The closest date with snow is Friday, 19 December.Until now, December 2025 in Westmount is slightly cooler than the historical average by -1.9 °C.
The forecast for the next days in Westmount predicts a temperature of -4.5 °C, which is cooler than the historical average.
In general, the average temperature in Westmount at the beginning of December is -0.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.9 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
13
Dry days
6
Rainy days
12
Snow days
0°/-4°
Temperatures
16 km/h
Avg max wind
84 %
Avg humidity
Westmount Weather December
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Temperatures trend during December in Westmount
See the weather trend as well as the moving average line
December weather in Westmount day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Fog | 2° /-3° | 0.5 mm | 0 cm | |
| 2 Dec. |  Light sleet | 0° /-4° | 3.2 mm | 1.5 cm | |
| 3 Dec. |  Light freezing rain | 0° /-4° | 5.4 mm | 0.4 cm | |
| 4 Dec. |  Overcast | 0° /-6° | 7.4 mm | 6.3 cm | |
| 5 Dec. | Mist | -1° /-8° | 9 mm | 6.5 cm | |
| 6 Dec. |  Freezing fog | -3° /-11° | 1.3 mm | 0.9 cm | |
| 7 Dec. | Freezing fog | -2° /-11° | 0.8 mm | 0.6 cm | |
| 8 Dec. | Freezing fog | -2° /-11° | 7.4 mm | 5.3 cm | |
| 9 Dec. | Freezing fog | -1° /-9° | 4.8 mm | 3.4 cm | |
| 10 Dec. |  Heavy rain | 2° /-3° | 33.9 mm | 11.3 cm | |
| 11 Dec. |  Heavy snow | -1° /-4° | 19.3 mm | 2.2 cm | |
| 12 Dec. | Overcast | -1° /-6° | 6.2 mm | 0.1 cm | |
| 13 Dec. | Light freezing rain | -1° /-8° | 0.1 mm | 0 cm | |
| 14 Dec. |  Partly cloudy | -2° /-9° | 0 mm | 0 cm | |
| 15 Dec. | Overcast | 0° /-5° | 0 mm | 0 cm | |
| 16 Dec. | Partly cloudy | -3° /-9° | 0 mm | 0 cm | |
| 17 Dec. | Light freezing rain | 2° /-4° | 0.2 mm | 0 cm | |
| 18 Dec. |  Moderate or heavy snow showers | -2° /-10° | 1.6 mm | 0 cm | |
| 19 Dec. |  Patchy rain possible | 5° /-7° | 4.5 mm | 0.1 cm | |
| 20 Dec. | Moderate or heavy snow showers | -7° /-11° | 1.6 mm | 1.2 cm | |
| 21 Dec. | Heavy snow | 0° /-8° | 2.7 mm | 2 cm | |
| 22 Dec. |  Sunny | -11° /-14° | 0 mm | 0 cm | |
| 23 Dec. |  Light snow | -2° /-8° | 0.5 mm | 0.4 cm | |
| 24 Dec. | Light snow | 1° /-7° | 0.3 mm | 0.2 cm | |
| 25 Dec. | Overcast | -11° /-15° | 0 mm | 0 cm | |
| 26 Dec. | Heavy snow | -6° /-11° | 1.5 mm | 1.1 cm | |
| 27 Dec. |  Moderate snow | -14° /-16° | 0.3 mm | 0.2 cm | |
| 28 Dec. | Light freezing rain | -11° /-17° | 0.3 mm | 0.2 cm | |
| 29 Dec. |  Light drizzle | 3° /0° | 8.8 mm | 0 cm | |
| 30 Dec. | Moderate snow | 4° /1° | 9.9 mm | 0.3 cm | |
| 31 Dec. | Sunny | 1° /-1° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Westmount 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 Westmount forecast closer to your planned date for the most up-to-date weather information.
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Westmount in December - FAQ
What are the expected maximum and minimum temperatures in Westmount 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 Westmount during December?
Significant rainfall exceeding 224.4 mm is expected in Westmount during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Westmount in December 2025?
Westmount experiences an average snowfall of 63.61 cm during December, occurring over 12 days.
What are the typical wind conditions in Westmount during December?
The average wind speed in Westmount during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Westmount snow forecast December 2025
Track daily snowfall levels and discover Westmount’s snowy potential this December ❄️
On average, Westmount sees 12 snowy days during December, with approximately 63.6 cm of total snowfall.
December rainfall patterns in Westmount
Explore the daily rainfall trends and prepare for Westmounts December weather 💧
Typically, Westmount has 6 rainy days in December with a total of 224.4 mm of rainfall.
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