Cape Breton County (Sydney)
December
Weather in Cape Breton County for December 2025
Your guide to Cape Breton County weather in December - trends and predictions
Weather Warning - See hour by hour.
The climate of Cape Breton County in December is quite snowy, averaging 12 snowy days.
According to Cape Breton County snow forecast for December 2025, 7 snowy days are expected until the end of the month. The closest date with snow is Thursday, 18 December.Until now, December 2025 in Cape Breton County is slightly cooler than the historical average by -1.2 °C.
Expect cooler weather in the next days in Cape Breton County with the forecast suggesting a temperature of 1.6 °C, lower than the historical average.
In general, the average temperature in Cape Breton County at the beginning of December is 3.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 0.9 °C by the end of December.
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Temperatures
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8
Dry days
11
Rainy days
12
Snow days
3°/-1°
Temperatures
25 km/h
Avg max wind
80 %
Avg humidity
Cape Breton County Weather December
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Temperatures trend during December in Cape Breton County
See the weather trend as well as the moving average line
December weather in Cape Breton County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 7° /1° | 18.2 mm | 1 cm | |
| 2 Dec. | Overcast | 4° /0° | 1 mm | 0 cm | |
| 3 Dec. |  Patchy rain possible | 5° /0° | 50.1 mm | 0 cm | |
| 4 Dec. |  Heavy snow | 3° /0° | 12.8 mm | 6.5 cm | |
| 5 Dec. |  Moderate or heavy snow showers | 5° /-3° | 17.8 mm | 1.1 cm | |
| 6 Dec. |  Light snow showers | 2° /-4° | 8.9 mm | 0 cm | |
| 7 Dec. |  Cloudy | 1° /-3° | 0.1 mm | 0.1 cm | |
| 8 Dec. |  Patchy light snow | 1° /-4° | 19.1 mm | 8 cm | |
| 9 Dec. | Overcast | 2° /-4° | 3.7 mm | 0 cm | |
| 10 Dec. | Overcast | 4° /-4° | 2.3 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 10° /4° | 15.2 mm | 0 cm | |
| 12 Dec. | Light snow showers | 8° /1° | 20.9 mm | 0 cm | |
| 13 Dec. |  Partly cloudy | 3° /-2° | 0.2 mm | 0.1 cm | |
| 14 Dec. | Moderate or heavy snow showers | 0° /-3° | 7.1 mm | 3.2 cm | |
| 15 Dec. | Moderate or heavy snow showers | 1° /-4° | 13.6 mm | 0 cm | |
| 16 Dec. | Partly cloudy | -3° /-6° | 0 mm | 0 cm | |
| 17 Dec. | Overcast | 5° /-6° | 0 mm | 0 cm | |
| 18 Dec. | Patchy rain possible | 5° /-3° | 3.4 mm | 0 cm | |
| 19 Dec. | Patchy rain possible | 9° /-3° | 0.1 mm | 0 cm | |
| 20 Dec. |  Blowing snow | 4° /-5° | 0.8 mm | 0 cm | |
| 21 Dec. | Moderate or heavy snow showers | 2° /-4° | 5.9 mm | 0.6 cm | |
| 22 Dec. | Moderate or heavy snow showers | 0° /-4° | 2 mm | 0 cm | |
| 23 Dec. | Blowing snow | -5° /-7° | 0.2 mm | 0 cm | |
| 24 Dec. | Patchy rain possible | 5° /-3° | 3.6 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 3° /-8° | 0.4 mm | 0.2 cm | |
| 26 Dec. | Blowing snow | -6° /-7° | 0.2 mm | 0.1 cm | |
| 27 Dec. |  Moderate rain | 8° /-6° | 9.9 mm | 2.4 cm | |
| 28 Dec. | Partly cloudy | -5° /-7° | 0 mm | 0 cm | |
| 29 Dec. | Heavy snow | 1° /-2° | 3.7 mm | 1.5 cm | |
| 30 Dec. |  Moderate snow | 2° /-1° | 4.2 mm | 3.6 cm | |
| 31 Dec. | Light snow showers | 3° /-1° | 15.5 mm | 1.1 cm | |
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Important Notice
Our weather forecast for Cape Breton County 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 Cape Breton County forecast closer to your planned date for the most up-to-date weather information.
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Cape Breton County in December - FAQ
What are the expected maximum and minimum temperatures in Cape Breton County during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Cape Breton County during December?
Significant rainfall exceeding 290 mm is expected in Cape Breton County during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Cape Breton County in December 2025?
Cape Breton County experiences an average snowfall of 42.675 cm during December, occurring over 12 days.
What are the typical wind conditions in Cape Breton County during December?
The average wind speed in Cape Breton County during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Cape Breton County snow forecast December 2025
Track daily snowfall levels and discover Cape Breton County’s snowy potential this December ❄️
On average, Cape Breton County sees 12 snowy days during December, with approximately 42.7 cm of total snowfall.
December rainfall patterns in Cape Breton County
Explore the daily rainfall trends and prepare for Cape Breton Countys December weather 💧
Typically, Cape Breton County has 11 rainy days in December with a total of 290 mm of rainfall.
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Where is Cape Breton County?Get accurate weather forecasts for Cape Breton County, located at latitude 46.135 and longitude -60.183. Stay updated with localized weather information tailored for Cape Breton County.
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