Moncton in december: average Weather, Temperature and Climate
Weather in Moncton in december 2026
The weather in Moncton in the month of december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 561.6cm
Weather at 6am
27°F
Clear/Sunny
23% of time
22%
21%
15%
Weather at 12pm
31°F
Cloudy
31% of time
22%
21%
15%
Weather at 6pm
29°F
Snow showers
23% of time
21%
19%
18%
Weather at 3am
27°F
25%
23%
19%
12%
Evolution of daily average temperature and precipitation in Moncton in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Moncton in december.
The climate of Moncton in december is very bad
The climate in december in Moncton is wet (with 6.2in of precipitation over 8 days). The situation is deteriorating compared to the previous month since in november there is an average of 5.9in of rainfall over 8 days.
The climate is quite more than very fresh in this location the month of december. Plan to cover you well! Temperatures are up to 34°F. In the morning the temperature drops to 25°F. Thus, the mean temperature average in december in Moncton is 31°F. Note that these seasonal averages are in contrast with those observed in Moncton in december with a maximum record of 59°F in 2020 and a minimum record of -9°F in 2013. You can expect to have about 24 days with temperatures under 32°F, or 77% of time.
On this month of december, day length in Moncton is generally 08:39. Sunrise is at 07:55 and sunset is at 16:34.
Seasonal average climate and temperature of Moncton in december
Check below seasonal norms These datas are compiled from the weather statements of the last years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 31°F | ||||
| Highest temperature | 34°F | ||||
| Lowest temperature | 25°F | ||||
| Highest record temperature | 59°F (2020) | ||||
| Lowest record temperature | -9°F (2013) | ||||
| Number of days at -32°F | 24 day(s) (77%) | ||||
| Sea temperature | |||||
| Average sea temperature | 40°F | ||||
| Lowest sea temperature | 34°F | ||||
| Highest sea temperature | 46°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 18°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.2in | ||||
| Number of days with rainfall | 8 day(s) (26%) | ||||
| Record daily rainfall | 2.8in (2015) | ||||
| Snowfall | 561.6cm | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 7.66km | ||||
| Cloud cover | 62% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:55 | ||||
| Time of sunset | 16:34 | ||||
| Length of day | 08:39 | ||||
| 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 Moncton in december 2025:
38°F to 43°F
23°F to 32°F
31°F to 32°F
29°F to 36°F
11°F to 20°F
14°F to 31°F
29°F to 32°F
16°F to 23°F
7°F to 22°F
25°F to 40°F
34°F to 43°F
18°F to 25°F
22°F to 27°F
27°F to 31°F
23°F to 27°F
13°F to 27°F
36°F to 40°F
27°F to 36°F
40°F to 52°F
27°F to 50°F
31°F to 40°F
20°F to 29°F
14°F to 22°F
18°F to 25°F
20°F to 23°F
16°F to 22°F
11°F to 23°F
14°F to 23°F
18°F to 34°F
31°F to 40°F
9°F to 22°F
Map: other cities in Canada in december
Cities near Moncton:
| Fundy National Park in december | very bad weather |
| Hebron (Prince Edward Island) in december | very bad weather |
| Miramichi in december | very bad weather |
| Charlottetown in december | very bad weather |
| Saint John in december | very bad weather |
| Fredericton in december | very bad weather |
| Bathurst in december | very bad weather |
| Halifax in december | very bad weather |
| Yarmouth in december | very bad weather |
| Cape Breton Island in december | very bad weather |
| Sydney in december | very bad weather |
| Quebec City in december | very bad weather |
Click over cities on the map for information about the weather in december.
Moncton
perfect weather
good
tolerable
bad
very bad
Weather data for Moncton in december:
Weather data for Moncton for december are derived from an average of the weather forecast since 2009 in Moncton. There is a margin of error and these forecasts are to be considered as general information only. The weather in Moncton 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 Moncton.