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December weather forecast in Grimsi

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

	749 mmHg		70%
	14.3 m/s		+5

30 November, Sunday. day, 2°; night, 2°; rain

1 December, mon

	746 mmHg		68%
	16.1 m/s		+5

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

2 December, tue

	747 mmHg		67%
	11.6 m/s		+5

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

3 December, wed

	745 mmHg		72%
	12.8 m/s		+5

3 December, Wednesday. day, 2°; night, 1°; rain

4 December, thu

	748 mmHg		74%
	14.5 m/s		+5

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

5 December, fri

	749 mmHg		70%
	11.6 m/s		+5

5 December, Friday. day, 1°; night, 0°; overcast

6 December, sat

	747 mmHg		68%
	13.8 m/s		+5

6 December, Saturday. day, 2°; night, 1°; rain

7 December, sun

	744 mmHg		72%
	14.8 m/s		+5

7 December, Sunday. day, 2°; night, 3°; rain

8 December, mon

	742 mmHg		73%
	14.6 m/s		+5

8 December, Monday. day, 3°; night, 2°; rain

9 December, tue

	747 mmHg		75%
	13.1 m/s		+5

9 December, Tuesday. day, 3°; night, 3°; rain

10 December, wed

	750 mmHg		75%
	13.8 m/s		+5

10 December, Wednesday. day, 3°; night, 3°; rain

11 December, thu

	749 mmHg		74%
	12.8 m/s		+5

11 December, Thursday. day, 3°; night, 3°; rain

12 December, fri

	744 mmHg		73%
	13.8 m/s		+5

12 December, Friday. day, 4°; night, 3°; rain

13 December, sat

	746 mmHg		69%
	14.8 m/s		+5

13 December, Saturday. day, 4°; night, 2°; rain

14 December, sun

	748 mmHg		75%
	13.6 m/s		+5

14 December, Sunday. day, 2°; night, 1°; overcast

15 December, mon

	746 mmHg		69%
	12.6 m/s		+5

15 December, Monday. day, 2°; night, 3°; clear

16 December, tue

	741 mmHg		72%
	15.3 m/s		+5

16 December, Tuesday. day, 3°; night, 2°; rain

17 December, wed

	742 mmHg		70%
	11.6 m/s		+5

17 December, Wednesday. day, 3°; night, 2°; rain

18 December, thu

	741 mmHg		73%
	16.6 m/s		+5

18 December, Thursday. day, 3°; night, 1°; rain

19 December, fri

	744 mmHg		70%
	16.2 m/s		+5

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

20 December, sat

	739 mmHg		74%
	15.1 m/s		+5

20 December, Saturday. day, 2°; night, 1°; rain

21 December, sun

	738 mmHg		74%
	14.6 m/s		+5

21 December, Sunday. day, 2°; night, 1°; rain

22 December, mon

	742 mmHg		75%
	17.2 m/s		+5

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

23 December, tue

	742 mmHg		73%
	17.1 m/s		+4

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

24 December, wed

	746 mmHg		72%
	15.5 m/s		+4

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

25 December, thu

	744 mmHg		69%
	17.79 m/s		+4

25 December, Thursday. day, 2°; night, 1°; rain

26 December, fri

	751 mmHg		70%
	13.6 m/s		+4

26 December, Friday. day, 2°; night, 1°; rain

27 December, sat

	748 mmHg		74%
	11.8 m/s		+4

27 December, Saturday. day, 3°; night, 2°; overcast

28 December, sun

	745 mmHg		70%
	15.3 m/s		+4

28 December, Sunday. day, 2°; night, 2°; rain

29 December, mon

	739 mmHg		72%
	16 m/s		+4

29 December, Monday. day, 3°; night, 2°; rain

30 December, tue

	742 mmHg		75%
	15.8 m/s		+5

30 December, Tuesday. day, 3°; night, 0°; rain

31 December, wed

	742 mmHg		75%
	15.8 m/s		+5

31 December, Wednesday. day, 3°; night, 0°; rain

1 January, thu

	752 mmHg		74%
	14.5 m/s		+5

1 January, Thursday. day, 2°; night, 2°; clear

2 January, fri

	748 mmHg		76%
	11.1 m/s		+4

2 January, Friday. day, 3°; night, 2°; rain

3 January, sat

	750 mmHg		75%
	13.3 m/s		+4

3 January, Saturday. day, 3°; night, 1°; rain

Average data for 10 years

Grimsi December

2

sunny days

26

days with precipitation

3

cloudy days

2 sunny days; 26 days with precipitation; 3 cloudy days;

72

%

air humidity

10.8

m/s

WindNE

104

mm of precipitation

(13% of annual average)

+5

°C

Water temperature

air humidity 72%; 104 millimeters of precipitation (13% of annual average); Wind north-easterly 10.8 Meters per second; Water temperature +5°

Weather graphs for December

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

NW

W

NE

NE

NE

E

E

NW

NE

E

SE

E

W

NW

NE

N

E

N

E

E

NE

NE

NE

NE

NE

E

S

S

SE

NE

NE

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

Reykyavik
Torshavn
Akureyri
Isafjordur
Jan Mayen
Vestmannaeyjar
Selfoss
Keflavík
Sejdisfjordur

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Bellingshausen Station
Reykyavik
Oslo
Yurmala

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

December in Grimsi is the windiest month of the year. In December, the weather in Grimsi is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Grimsi has 26 rainy, 3 cloudy, and 2 sunny days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Grimsi.

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