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December weather forecast in Grytviken

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

	687 mmHg		92%
	7.4 m/s		0

30 November, Sunday. day, 1°; night, -1°; rain

1 December, mon

	687 mmHg		92%
	7 m/s		0

1 December, Monday. day, 2°; night, 0°; rain

2 December, tue

	685 mmHg		90%
	8 m/s		0

2 December, Tuesday. day, 1°; night, -1°; rain

3 December, wed

	686 mmHg		89%
	7.2 m/s		0

3 December, Wednesday. day, 1°; night, -1°; rain

4 December, thu

	686 mmHg		89%
	6.5 m/s		0

4 December, Thursday. day, 1°; night, -1°; partly cloudy

5 December, fri

	684 mmHg		89%
	7 m/s		0

5 December, Friday. day, 1°; night, -1°; rain

6 December, sat

	683 mmHg		89%
	7.3 m/s		0

6 December, Saturday. day, 1°; night, -1°; overcast

7 December, sun

	683 mmHg		88%
	6.8 m/s		0

7 December, Sunday. day, 1°; night, -1°; rain

8 December, mon

	683 mmHg		87%
	7.2 m/s		0

8 December, Monday. day, 0°; night, -1°; snow

9 December, tue

	685 mmHg		89%
	6.6 m/s		0

9 December, Tuesday. day, 0°; night, -1°; rain

10 December, wed

	686 mmHg		90%
	6.9 m/s		0

10 December, Wednesday. day, 1°; night, -1°; overcast

11 December, thu

	685 mmHg		90%
	7.2 m/s		0

11 December, Thursday. day, 1°; night, 0°; rain

12 December, fri

	685 mmHg		89%
	7.2 m/s		0

12 December, Friday. day, 1°; night, -1°; rain

13 December, sat

	686 mmHg		89%
	7.4 m/s		0

13 December, Saturday. day, 1°; night, -1°; rain

14 December, sun

	687 mmHg		89%
	7.5 m/s		0

14 December, Sunday. day, 1°; night, -1°; rain

15 December, mon

	687 mmHg		89%
	7.3 m/s		0

15 December, Monday. day, 1°; night, 0°; overcast

16 December, tue

	685 mmHg		90%
	7.8 m/s		0

16 December, Tuesday. day, 2°; night, 0°; rain

17 December, wed

	686 mmHg		89%
	7.1 m/s		+1

17 December, Wednesday. day, 1°; night, 0°; rain

18 December, thu

	686 mmHg		90%
	6.8 m/s		+1

18 December, Thursday. day, 1°; night, -1°; rain

19 December, fri

	687 mmHg		91%
	7.2 m/s		+1

19 December, Friday. day, 1°; night, 0°; rain

20 December, sat

	685 mmHg		90%
	7.5 m/s		+1

20 December, Saturday. day, 2°; night, 0°; rain

21 December, sun

	687 mmHg		91%
	7 m/s		+1

21 December, Sunday. day, 2°; night, 0°; rain

22 December, mon

	686 mmHg		92%
	7.7 m/s		+1

22 December, Monday. day, 2°; night, 0°; rain

23 December, tue

	686 mmHg		91%
	7.2 m/s		+1

23 December, Tuesday. day, 2°; night, 0°; rain

24 December, wed

	684 mmHg		91%
	7.5 m/s		+1

24 December, Wednesday. day, 2°; night, 0°; rain

25 December, thu

	685 mmHg		90%
	7.3 m/s		+1

25 December, Thursday. day, 2°; night, 0°; rain

26 December, fri

	686 mmHg		90%
	7.3 m/s		+1

26 December, Friday. day, 2°; night, 0°; rain

27 December, sat

	686 mmHg		90%
	7.8 m/s		+1

27 December, Saturday. day, 2°; night, 0°; partly cloudy

28 December, sun

	687 mmHg		88%
	7 m/s		+1

28 December, Sunday. day, 2°; night, 0°; partly cloudy

29 December, mon

	688 mmHg		90%
	6.8 m/s		+1

29 December, Monday. day, 2°; night, 0°; rain

30 December, tue

	688 mmHg		90%
	6.6 m/s		+1

30 December, Tuesday. day, 2°; night, 0°; partly cloudy

31 December, wed

	687 mmHg		88%
	6.9 m/s		+1

31 December, Wednesday. day, 1°; night, 0°; rain

1 January, thu

	688 mmHg		88%
	7.1 m/s		+1

1 January, Thursday. day, 1°; night, 0°; partly cloudy

2 January, fri

	688 mmHg		90%
	7.2 m/s		+1

2 January, Friday. day, 1°; night, 0°; rain

3 January, sat

	688 mmHg		88%
	6.4 m/s		+1

3 January, Saturday. day, 2°; night, 0°; clear

Average data for 10 years

Grytviken December

0

sunny days

24

days with precipitation

20

cloudy days

0 sunny days; 24 days with precipitation; 20 cloudy days;

90

%

air humidity

5.4

m/s

WindSW

147

mm of precipitation

(8% of annual average)

0

°C

Water temperature

air humidity 90%; 147 millimeters of precipitation (8% of annual average); Wind south-westerly 5.4 Meters per second; Water temperature 0°

Weather graphs for December

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Montevideo
Bellingshausen Station
Mar del Plata
Port-Stenli
Chuy
Santa Teresita
Maldonado
Pinamar
Rocha

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Bellingshausen Station
Reykyavik
Oslo
Yurmala
Toronto

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

In December, the weather in Grytviken is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Grytviken has 14 cloudy, 11 partly cloudy, 5 rainy, and 1 snowy day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Grytviken.

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