Greater Sudbury
December
Weather in Greater Sudbury for December 2026
Your guide to Greater Sudbury weather in December - trends and predictions
Expect heavy snowfall in Greater Sudbury during December, with an average of 20 snowy days.
In general, the average temperature in Greater Sudbury at the beginning of December is -2.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of -1.6 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
9
Dry days
2
Rainy days
20
Snow days
-2°/-7°
Temperatures
16 km/h
Avg max wind
79 %
Avg humidity
Greater Sudbury Weather December
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Temperatures trend during December in Greater Sudbury
See the weather trend as well as the moving average line
December weather in Greater Sudbury day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | -2° /-6° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | 0° /-4° | 0 mm | 0 cm | |
| 3 Dec. | Overcast | -1° /-5° | 0.9 mm | 0.7 cm | |
| 4 Dec. | Overcast | -4° /-8° | 11.2 mm | 8.1 cm | |
| 5 Dec. |  Moderate snow | -2° /-9° | 4.8 mm | 3.2 cm | |
| 6 Dec. |  Partly cloudy | -3° /-10° | 3.6 mm | 2.6 cm | |
| 7 Dec. |  Heavy snow | -4° /-10° | 2.1 mm | 1.5 cm | |
| 8 Dec. |  Freezing fog | -3° /-9° | 3.5 mm | 2.5 cm | |
| 9 Dec. |  Moderate or heavy snow showers | 2° /-5° | 9.5 mm | 6.6 cm | |
| 10 Dec. |  Light snow showers | 0° /-6° | 1.5 mm | 1.1 cm | |
| 11 Dec. |  Light snow | -4° /-10° | 0.1 mm | 0 cm | |
| 12 Dec. | Moderate or heavy snow showers | -3° /-9° | 0.5 mm | 0.4 cm | |
| 13 Dec. |  Light freezing rain | -4° /-10° | 2.3 mm | 1.7 cm | |
| 14 Dec. | Overcast | -2° /-12° | 0 mm | 0 cm | |
| 15 Dec. |  Light drizzle | -1° /-6° | 5.1 mm | 3.6 cm | |
| 16 Dec. | Moderate snow | 1° /-4° | 1.9 mm | 0.1 cm | |
| 17 Dec. | Overcast | 2° /-1° | 1.4 mm | 0 cm | |
| 18 Dec. | Light snow showers | 2° /-5° | 2.3 mm | 1.5 cm | |
| 19 Dec. |  Cloudy | -2° /-12° | 5.2 mm | 3.8 cm | |
| 20 Dec. | Cloudy | -3° /-9° | 2.7 mm | 2 cm | |
| 21 Dec. | Cloudy | -5° /-12° | 0 mm | 0 cm | |
| 22 Dec. | Overcast | -4° /-12° | 1.1 mm | 0.8 cm | |
| 23 Dec. | Moderate snow | 0° /-6° | 11.8 mm | 8.5 cm | |
| 24 Dec. | Cloudy | -2° /-7° | 0 mm | 0 cm | |
| 25 Dec. |  Fog | -1° /-8° | 0 mm | 0 cm | |
| 26 Dec. | Light rain | -3° /-6° | 4.6 mm | 2.4 cm | |
| 27 Dec. | Light drizzle | -1° /-5° | 0.7 mm | 0 cm | |
| 28 Dec. | Overcast | 1° /-4° | 5 mm | 1.9 cm | |
| 29 Dec. | Light freezing rain | 1° /-6° | 18.9 mm | 12.6 cm | |
| 30 Dec. | Partly cloudy | -3° /-8° | 13.1 mm | 9.5 cm | |
| 31 Dec. | Overcast | -5° /-8° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Greater Sudbury 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 Greater Sudbury forecast closer to your planned date for the most up-to-date weather information.
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Greater Sudbury in December - FAQ
What are the expected maximum and minimum temperatures in Greater Sudbury during December?
Brace for cold days with temperatures not exceeding -2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Greater Sudbury during December?
Significant rainfall exceeding 113.8 mm is expected in Greater Sudbury during December, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Greater Sudbury in December 2026?
Greater Sudbury experiences an average snowfall of 74.9333 cm during December, occurring over 20 days.
What are the typical wind conditions in Greater Sudbury during December?
The average wind speed in Greater Sudbury during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Greater Sudbury snow forecast December 2026
Track daily snowfall levels and discover Greater Sudbury’s snowy potential this December ❄️
On average, Greater Sudbury sees 20 snowy days during December, with approximately 74.9 cm of total snowfall.
December rainfall patterns in Greater Sudbury
Explore the daily rainfall trends and prepare for Greater Sudburys December weather 💧
Typically, Greater Sudbury has 2 rainy days in December with a total of 113.8 mm of rainfall.
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