Measurements:
°C
°F
St. John's
44°F
NE 17 mph
Feels like: 34°F
Precip: 0%
World Resorts Canada St. John's Weather December Weather in St. John's

St. John's Weather: December

Average Day Temperature: 33.9°F
Average Night Temperature: 32.2°F
Sea Water Temperature: 37.3°F
Number of Sunny Days: 2 days
Sunshine Hours: 8.4 - 8.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.8 in

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
9
18
27
36
45
54
63
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 53°F. The lowest night temperature was 19°F. The average values for day and night temperatures during December were 34.1°F и 32.1°F respectivly.

St. John's Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
29
32
35
38
41
44
47

The average sea surface temperature in December 2024 for St. John's was 38.3°F. The maximum and minimum values were 33.6°F and 41.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
6%
23%
71%

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.6
1.1
1.7
2.2
2.8
3.3
3.9

Precipitation total in December for St. John's is 1.8 in.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.8
5.6
8.5
11.3
14.1
16.9
19.7

The average wind speed in December is 15.0 mph. It makes December one of the most windy months of the year for St. John's.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.1
2.3
3.4
4.6
5.7
6.8
8.0

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for St. John's in December is 2.4 hours.

Best Time to Visit St. John's
The most sunny months:
August 8 days
September 7 days
October 7 days
The most warm months:
August 67.8 °F
July 65.6 °F
September 61.5 °F
Warmest sea temperature:
August 60.6 °F
September 58.0 °F
July 53.3 °F
The most cold months:
February 25.3 °F
January 28.0 °F
March 29.3 °F
The most rainy months:
November 5 days
June 4 days
May 4 days
The most windy months:
February 16 mph
March 16 mph
January 15 mph

St. John's on the Weather Map

Canada Resorts:
NAME
Halifax +40
Moncton +32
Montreal +26
Nanaimo +36
Niagara Falls +32
Ottawa +28
Prince Edward Island +30
Quebec +22
St. John's +44
Sydney +46
Toronto +32
Vancouver +34
Victoria +40
Winnipeg +16
Yellowknife -26
24 Hours Weather Forecast
St. John's
Local time: 10:05
18 mar, tuesday
1200 44°F
NE
15 mph
1500 46°F
NE
14 mph
1800 44°F
NE
11 mph
2100 44°F
NE
11 mph
19 mar, wednesday
0000 44°F
NE
11 mph
0300 44°F
NE
12 mph
0600 46°F
NE
14 mph
0900 46°F
NE
17 mph