St. John's (Newfoundland and Labrador) in december: average Weather, Temperature and Climate
Weather in St. John's (Newfoundland and Labrador) in december 2026
The weather in Saint-Jean de Terre-Neuve in the month of december comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 229.3cm
Weather at 6am
34°F
Snow showers
35% of time
19%
17%
16%
Weather at 12pm
36°F
Snow showers
38% of time
19%
17%
13%
Weather at 6pm
34°F
Snow showers
40% of time
18%
15%
12%
Weather at 3am
34°F
34%
20%
16%
15%
Evolution of daily average temperature and precipitation in St. John's (Newfoundland and Labrador) in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in St. John's (Newfoundland and Labrador) in december.
The climate of St. John's (Newfoundland and Labrador) in december is very bad
In december in Saint-Jean de Terre-Neuve, the climate is wet (with 7.6in of precipitation over 10 days). The weather is worst than the previous month since in november there is an average of 5.9in of precipitation over 8 days.
The climate is rather cold there the month of december. Plan a sweater! Temperatures are up to 38°F. On average, the recorded minimum temperature is 32°F. Thus, the mean temperature average in december in Saint-Jean de Terre-Neuve is 36°F. Note that seasonal normals in contrast with those observed in Saint-Jean de Terre-Neuve in the month of december with a maximum record of 54°F in 2017 and a minimum record of 11°F in 2013. You need to prepare to have about 18 days with temperatures down below 32°F, or 58% of the month.
In december in Saint-Jean de Terre-Neuve, the days on average last 08:27. The sun rises at 07:13 and sets at 15:40.
Seasonal average climate and temperature of St. John's (Newfoundland and Labrador) in december
Check below seasonal norms These statistics are generated from the weather statements of the last years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 36°F | ||||
| Highest temperature | 38°F | ||||
| Lowest temperature | 32°F | ||||
| Highest record temperature | 54°F (2017) | ||||
| Lowest record temperature | 11°F (2013) | ||||
| Number of days at -32°F | 18 day(s) (58%) | ||||
| Sea temperature | |||||
| Average sea temperature | 37°F | ||||
| Lowest sea temperature | 32°F | ||||
| Highest sea temperature | 42°F | ||||
| Wind | |||||
| Wind speed | 36km/h | ||||
| Wind temperature | 22°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.6in | ||||
| Number of days with rainfall | 10 day(s) (31%) | ||||
| Record daily rainfall | 3.9in (2016) | ||||
| Snowfall | 229.3cm | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 6.93km | ||||
| Cloud cover | 67% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:13 | ||||
| Time of sunset | 15:40 | ||||
| Length of day | 08:27 | ||||
| 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 St. John's (Newfoundland and Labrador) in december 2025:
34°F to 45°F
31°F to 43°F
32°F to 38°F
32°F to 34°F
23°F to 40°F
23°F to 27°F
23°F to 34°F
27°F to 34°F
20°F to 34°F
27°F to 32°F
41°F to 49°F
34°F to 43°F
31°F to 34°F
32°F to 34°F
41°F to 49°F
25°F to 29°F
25°F to 41°F
36°F to 43°F
32°F to 41°F
41°F to 49°F
31°F to 38°F
36°F to 41°F
27°F to 29°F
22°F to 27°F
29°F to 32°F
29°F to 32°F
36°F to 38°F
32°F to 34°F
32°F to 36°F
34°F to 36°F
32°F to 36°F
Map: other cities in Canada in december
Cities near St. John's (Newfoundland and Labrador):
| Bonavista in december | very bad weather |
| Twillingate in december | very bad weather |
| Corner Brook in december | very bad weather |
| Gros Morne National Park in december | very bad weather |
| Sydney in december | very bad weather |
| Cape Breton Island in december | very bad weather |
| Charlottetown in december | very bad weather |
| Happy Valley-Goose Bay 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 |
Click over cities on the map for information about the weather in december.
St. John's (Newfoundland and Labrador)
perfect weather
good
tolerable
bad
very bad
Weather data for St. John's (Newfoundland and Labrador) in december:
Weather data for St. John's (Newfoundland and Labrador) for december are derived from an average of the weather forecast since 2009 in St. John's (Newfoundland and Labrador). There is a margin of error and these forecasts are to be considered as general information only. The weather in St. John's (Newfoundland and Labrador) 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 St. John's (Newfoundland and Labrador).