Châteauguay
December
Weather in Châteauguay for December 2026
Your guide to Châteauguay weather in December - trends and predictions
Châteauguay typically experiences moderate snowfall in December, with an average of 9 snowy days.
In general, the average temperature in Châteauguay at the beginning of December is -0.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -1.6 °C by the end of December.
Is December a good time to visit Châteauguay? check out the best time to travel to Châteauguay page.
✨ Is December a good time to visit Châteauguay? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
16
Dry days
6
Rainy days
9
Snow days
-1°/-6°
Temperatures
20 km/h
Avg max wind
83 %
Avg humidity
Châteauguay Weather December
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Temperatures trend during December in Châteauguay
See the weather trend as well as the moving average line
December weather in Châteauguay day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Fog | 1° /-2° | 0.6 mm | 0 cm | |
| 2 Dec. |  Light sleet | -1° /-3° | 3.4 mm | 1.6 cm | |
| 3 Dec. |  Light freezing rain | 0° /-4° | 5.9 mm | 0.4 cm | |
| 4 Dec. |  Moderate snow | 0° /-5° | 7.6 mm | 6.4 cm | |
| 5 Dec. | Light freezing rain | -2° /-7° | 6.9 mm | 5 cm | |
| 6 Dec. |  Light snow | -3° /-11° | 1.3 mm | 0.9 cm | |
| 7 Dec. |  Freezing fog | -3° /-10° | 0.9 mm | 0.6 cm | |
| 8 Dec. | Moderate snow | -2° /-10° | 7.3 mm | 5.3 cm | |
| 9 Dec. | Light snow | -1° /-8° | 5.9 mm | 4.2 cm | |
| 10 Dec. |  Heavy rain | 2° /-2° | 36.4 mm | 11.9 cm | |
| 11 Dec. | Light snow | -1° /-4° | 18.9 mm | 2.4 cm | |
| 12 Dec. | Light snow | -1° /-6° | 5.7 mm | 0.1 cm | |
| 13 Dec. |  Partly cloudy | -1° /-7° | 0.1 mm | 0 cm | |
| 14 Dec. | Partly cloudy | -2° /-8° | 0 mm | 0 cm | |
| 15 Dec. |  Cloudy | -1° /-6° | 0 mm | 0 cm | |
| 16 Dec. |  Overcast | 0° /-4° | 0 mm | 0 cm | |
| 17 Dec. |  Light rain | 3° /-1° | 7.7 mm | 1 cm | |
| 18 Dec. |  Moderate rain | 3° /-2° | 21.9 mm | 3.5 cm | |
| 19 Dec. |  Moderate or heavy snow showers | 2° /-5° | 14.7 mm | 5.4 cm | |
| 20 Dec. |  Sunny | -2° /-5° | 0 mm | 0 cm | |
| 21 Dec. | Light snow | -2° /-7° | 1.3 mm | 1 cm | |
| 22 Dec. | Partly cloudy | -5° /-10° | 0 mm | 0 cm | |
| 23 Dec. | Light snow | -4° /-8° | 3.9 mm | 2.5 cm | |
| 24 Dec. | Light freezing rain | -2° /-5° | 8.8 mm | 6.2 cm | |
| 25 Dec. | Light snow | -2° /-9° | 2.3 mm | 1.6 cm | |
| 26 Dec. | Overcast | -5° /-8° | 0.8 mm | 0 cm | |
| 27 Dec. | Light rain | -3° /-6° | 3.9 mm | 0 cm | |
| 28 Dec. | Light drizzle | -1° /-7° | 0.8 mm | 0 cm | |
| 29 Dec. | Moderate rain | 2° /-1° | 20.5 mm | 2 cm | |
| 30 Dec. | Moderate snow | 0° /-4° | 5.3 mm | 0.4 cm | |
| 31 Dec. | Sunny | -2° /-5° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Châteauguay 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 Châteauguay forecast closer to your planned date for the most up-to-date weather information.
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Châteauguay in December - FAQ
What are the expected maximum and minimum temperatures in Châteauguay 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 Châteauguay during December?
Significant rainfall exceeding 192.6 mm is expected in Châteauguay during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Châteauguay in December 2026?
Châteauguay experiences an average snowfall of 62.4 cm during December, occurring over 9 days.
What are the typical wind conditions in Châteauguay during December?
The average wind speed in Châteauguay during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Châteauguay snow forecast December 2026
Track daily snowfall levels and discover Châteauguay’s snowy potential this December ❄️
On average, Châteauguay sees 9 snowy days during December, with approximately 62.4 cm of total snowfall.
December rainfall patterns in Châteauguay
Explore the daily rainfall trends and prepare for Châteauguays December weather 💧
Typically, Châteauguay has 6 rainy days in December with a total of 192.6 mm of rainfall.
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