Cape Breton Island in december: average Weather, Temperature and Climate
Weather in Cape Breton Island in december 2025
The weather in Cape Breton Island in the month of december comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 522.9cm
Weather at 6am
31°F
Snow showers
49% of time
15%
13%
9%
Weather at 12pm
32°F
Snow showers
48% of time
16%
12%
9%
Weather at 6pm
32°F
Snow showers
50% of time
12%
11%
10%
Weather at 3am
31°F
50%
16%
10%
9%
Evolution of daily average temperature and precipitation in Cape Breton Island in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cape Breton Island in december.
The climate of Cape Breton Island in december is very bad
The weather in december in Cape Breton Island is wet (with 9in of precipitation over 11 days). It should be noted a worsening from the previous month since in november there is an average of 8.1in of precipitation over 10 days.
The climate is quite cold in this location the month of december. Plan to cover you well! The high seasonal norm is 36°F. The minimum is 29°F. Thus, the mean temperature average in december in Cape Breton Island is 32°F. Note that these seasonal averages are in contrast with those observed in Cape Breton Island in the month of december with a maximum record of 56°F in 2011 and a minimum record of 7°F in 2017. You need to prepare to have about 23 days with temperatures down below 32°F, or 74% of time.
Day length in Cape Breton Island in december is 08:38. Sunrise is at 07:40 and sunset is at 16:18.
Seasonal average climate and temperature of Cape Breton Island in december
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 32°F | ||||
| Highest temperature | 36°F | ||||
| Lowest temperature | 29°F | ||||
| Highest record temperature | 56°F (2011) | ||||
| Lowest record temperature | 7°F (2017) | ||||
| Number of days at -32°F | 23 day(s) (74%) | ||||
| Sea temperature | |||||
| Average sea temperature | 40°F | ||||
| Lowest sea temperature | 34°F | ||||
| Highest sea temperature | 47°F | ||||
| Wind | |||||
| Wind speed | 24km/h | ||||
| Wind temperature | 20°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9in | ||||
| Number of days with rainfall | 11 day(s) (34%) | ||||
| Record daily rainfall | 3.7in (2010) | ||||
| Snowfall | 522.9cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 6.33km | ||||
| Cloud cover | 75% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 5 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:40 | ||||
| Time of sunset | 16:18 | ||||
| Length of day | 08:38 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Cape Breton Island in december 2024:
32°F to 36°F
32°F to 36°F
29°F to 32°F
29°F to 31°F
27°F to 43°F
32°F to 43°F
22°F to 25°F
20°F to 29°F
31°F to 38°F
25°F to 31°F
38°F to 43°F
50°F to 52°F
31°F to 36°F
23°F to 27°F
25°F to 27°F
27°F to 34°F
27°F to 43°F
36°F to 41°F
34°F to 43°F
27°F to 29°F
29°F to 32°F
23°F to 29°F
20°F to 22°F
18°F to 23°F
25°F to 27°F
31°F to 32°F
25°F to 31°F
25°F to 32°F
22°F to 32°F
34°F to 38°F
40°F to 41°F
Map: other cities in Canada in december
Cities near Cape Breton Island:
| Sydney in december | very bad weather |
| Charlottetown in december | very bad weather |
| Hebron (Prince Edward Island) in december | very bad weather |
| Halifax in december | very bad weather |
| Moncton in december | very bad weather |
| Fundy National Park in december | very bad weather |
| Miramichi in december | very bad weather |
| Corner Brook in december | very bad weather |
| Bathurst in december | very bad weather |
| Saint John in december | very bad weather |
| Gros Morne National Park in december | very bad weather |
| Fredericton in december | very bad weather |
Click over cities on the map for information about the weather in december.
Cape Breton Island
perfect weather
good
tolerable
bad
very bad
Weather data for Cape Breton Island in december:
Weather data for Cape Breton Island for december are derived from an average of the weather forecast since 2009 in Cape Breton Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cape Breton Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cape Breton Island.