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December weather forecast in St. John's

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	760 mmHg		77%
	7.5 m/s		+28

30 November, Sunday. day, 26°; night, 25°; clear

1 December, mon

	760 mmHg		77%
	7.7 m/s		+28

1 December, Monday. day, 26°; night, 25°; rain

2 December, tue

	761 mmHg		76%
	8.2 m/s		+28

2 December, Tuesday. day, 26°; night, 25°; clear

3 December, wed

	761 mmHg		76%
	7.9 m/s		+28

3 December, Wednesday. day, 26°; night, 25°; clear

4 December, thu

	761 mmHg		77%
	7.9 m/s		+28

4 December, Thursday. day, 26°; night, 25°; partly cloudy

5 December, fri

	761 mmHg		77%
	8.1 m/s		+28

5 December, Friday. day, 26°; night, 25°; rain

6 December, sat

	761 mmHg		78%
	8.3 m/s		+28

6 December, Saturday. day, 26°; night, 25°; rain

7 December, sun

	761 mmHg		78%
	8.7 m/s		+28

7 December, Sunday. day, 26°; night, 25°; rain

8 December, mon

	761 mmHg		77%
	8.6 m/s		+28

8 December, Monday. day, 26°; night, 25°; clear

9 December, tue

	762 mmHg		77%
	9.1 m/s		+28

9 December, Tuesday. day, 26°; night, 25°; rain

10 December, wed

	761 mmHg		78%
	9.1 m/s		+28

10 December, Wednesday. day, 26°; night, 25°; rain

11 December, thu

	761 mmHg		80%
	8.89 m/s		+28

11 December, Thursday. day, 26°; night, 25°; rain

12 December, fri

	761 mmHg		79%
	8.89 m/s		+28

12 December, Friday. day, 26°; night, 25°; rain

13 December, sat

	761 mmHg		78%
	8.7 m/s		+28

13 December, Saturday. day, 26°; night, 25°; rain

14 December, sun

	761 mmHg		78%
	8.5 m/s		+28

14 December, Sunday. day, 26°; night, 25°; rain

15 December, mon

	761 mmHg		79%
	8.3 m/s		+28

15 December, Monday. day, 26°; night, 25°; rain

16 December, tue

	761 mmHg		80%
	8.5 m/s		+28

16 December, Tuesday. day, 26°; night, 25°; rain

17 December, wed

	761 mmHg		79%
	8.8 m/s		+28

17 December, Wednesday. day, 26°; night, 25°; rain

18 December, thu

	762 mmHg		77%
	8.8 m/s		+28

18 December, Thursday. day, 26°; night, 25°; clear

19 December, fri

	762 mmHg		77%
	8.39 m/s		+28

19 December, Friday. day, 26°; night, 25°; rain

20 December, sat

	761 mmHg		77%
	8.5 m/s		+28

20 December, Saturday. day, 26°; night, 25°; clear

21 December, sun

	762 mmHg		78%
	8.2 m/s		+28

21 December, Sunday. day, 26°; night, 25°; rain

22 December, mon

	762 mmHg		78%
	8.5 m/s		+28

22 December, Monday. day, 26°; night, 25°; rain

23 December, tue

	762 mmHg		77%
	8.8 m/s		+27

23 December, Tuesday. day, 26°; night, 25°; clear

24 December, wed

	762 mmHg		77%
	9 m/s		+27

24 December, Wednesday. day, 26°; night, 25°; partly cloudy

25 December, thu

	762 mmHg		77%
	8.7 m/s		+27

25 December, Thursday. day, 26°; night, 25°; clear

26 December, fri

	762 mmHg		77%
	8.2 m/s		+27

26 December, Friday. day, 26°; night, 25°; clear

27 December, sat

	762 mmHg		78%
	7.7 m/s		+27

27 December, Saturday. day, 25°; night, 25°; clear

28 December, sun

	762 mmHg		77%
	8.2 m/s		+27

28 December, Sunday. day, 26°; night, 25°; partly cloudy

29 December, mon

	762 mmHg		76%
	8.6 m/s		+27

29 December, Monday. day, 26°; night, 25°; clear

30 December, tue

	762 mmHg		77%
	9.1 m/s		+27

30 December, Tuesday. day, 26°; night, 25°; clear

31 December, wed

	762 mmHg		77%
	9.3 m/s		+27

31 December, Wednesday. day, 26°; night, 25°; rain

1 January, thu

	763 mmHg		76%
	9.5 m/s		+27

1 January, Thursday. day, 26°; night, 25°; clear

2 January, fri

	762 mmHg		77%
	9.2 m/s		+27

2 January, Friday. day, 26°; night, 25°; rain

3 January, sat

	762 mmHg		76%
	9.1 m/s		+27

3 January, Saturday. day, 26°; night, 25°; clear

Average data for 10 years

St. John's December

11

sunny days

17

days with precipitation

1

cloudy day

11 sunny days; 17 days with precipitation; 1 cloudy day;

78

%

air humidity

7.4

m/s

WindE

65

mm of precipitation

(7% of annual average)

+28

°C

Water temperature

air humidity 78%; 65 millimeters of precipitation (7% of annual average); Wind easterly 7.4 Meters per second; Water temperature +28°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Charlotte Amalie
The Valley
Basseterre
Fort-de-France
Road Town
Roseau
Cyril E. King Airport
Christiansted
Terrance B. Lettsome International Airport

Cities with similar weather in December

Santo Domingo
Punta Cana
Phan Thiet
Cancun
Puerto Plata
Boca Chica
Honolulu
Bali
Boracay

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in St. John's is typically warm. Average daily high temperature in December is about 26 degrees above zero. On average, St. John's has 17 rainy, 11 sunny, and 3 partly cloudy days in December. The rains are usually moderate. December as well as May, July, August, and September is considered the most uncomfortable time to visit St. John's.

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