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December weather forecast in Reykyavik

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

	752 mmHg		82%
	6.6 m/s		+5

30 November, Sunday. day, 2°; night, -1°; rain

1 December, mon

	752 mmHg		83%
	6.7 m/s		+4

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

2 December, tue

	750 mmHg		82%
	6.5 m/s		+4

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

3 December, wed

	750 mmHg		83%
	6.3 m/s		+5

3 December, Wednesday. day, 0°; night, -2°; partly cloudy

4 December, thu

	752 mmHg		83%
	5.1 m/s		+5

4 December, Thursday. day, 0°; night, -2°; overcast

5 December, fri

	752 mmHg		83%
	6.1 m/s		+4

5 December, Friday. day, 1°; night, -2°; rain

6 December, sat

	751 mmHg		81%
	5.8 m/s		+4

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

7 December, sun

	750 mmHg		81%
	5.8 m/s		+5

7 December, Sunday. day, 1°; night, -2°; clear

8 December, mon

	751 mmHg		82%
	6.1 m/s		+5

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

9 December, tue

	750 mmHg		83%
	6.2 m/s		+6

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

10 December, wed

	749 mmHg		83%
	6.9 m/s		+6

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

11 December, thu

	751 mmHg		82%
	7.1 m/s		+5

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

12 December, fri

	752 mmHg		83%
	6.1 m/s		+5

12 December, Friday. day, 2°; night, -1°; overcast

13 December, sat

	751 mmHg		83%
	6.5 m/s		+5

13 December, Saturday. day, 2°; night, 0°; overcast

14 December, sun

	751 mmHg		82%
	6.6 m/s		+5

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

15 December, mon

	753 mmHg		82%
	6.6 m/s		+4

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

16 December, tue

	753 mmHg		80%
	5.8 m/s		+4

16 December, Tuesday. day, 1°; night, -2°; partly cloudy

17 December, wed

	753 mmHg		83%
	6.2 m/s		+4

17 December, Wednesday. day, 2°; night, -1°; rain

18 December, thu

	753 mmHg		81%
	5.9 m/s		+4

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

19 December, fri

	754 mmHg		79%
	6.3 m/s		+4

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

20 December, sat

	752 mmHg		82%
	6.6 m/s		+3

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

21 December, sun

	750 mmHg		81%
	6.4 m/s		+3

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

22 December, mon

	751 mmHg		81%
	5.9 m/s		+4

22 December, Monday. day, 0°; night, -2°; clear

23 December, tue

	749 mmHg		79%
	5.8 m/s		+5

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

24 December, wed

	748 mmHg		81%
	6.7 m/s		+5

24 December, Wednesday. day, 1°; night, -2°; rain

25 December, thu

	749 mmHg		80%
	6.3 m/s		+5

25 December, Thursday. day, 0°; night, -3°; overcast

26 December, fri

	749 mmHg		81%
	5.9 m/s		+4

26 December, Friday. day, 0°; night, -3°; snow

27 December, sat

	751 mmHg		82%
	6.7 m/s		+5

27 December, Saturday. day, 0°; night, -3°; clear

28 December, sun

	752 mmHg		79%
	5.9 m/s		+5

28 December, Sunday. day, 0°; night, -3°; clear

29 December, mon

	750 mmHg		80%
	6.5 m/s		+4

29 December, Monday. day, 0°; night, -3°; snow

30 December, tue

	748 mmHg		81%
	6.1 m/s		+5

30 December, Tuesday. day, 0°; night, -3°; snow

31 December, wed

	750 mmHg		81%
	5.9 m/s		+5

31 December, Wednesday. day, 0°; night, -3°; partly cloudy

1 January, thu

	751 mmHg		82%
	5.7 m/s		+4

1 January, Thursday. day, 0°; night, -3°; partly cloudy

2 January, fri

	750 mmHg		83%
	5.8 m/s		+5

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

3 January, sat

	751 mmHg		83%
	5.9 m/s		+5

3 January, Saturday. day, 1°; night, -1°; overcast

Average data for 10 years

Reykyavik December

4

sunny days

18

days with precipitation

16

cloudy days

4 sunny days; 18 days with precipitation; 16 cloudy days;

81

%

air humidity

4.3

m/s

WindSE

125

mm of precipitation

(10% of annual average)

+5

°C

Water temperature

air humidity 81%; 125 millimeters of precipitation (10% of annual average); Wind south-easterly 4.3 Meters per second; Water temperature +5°

Weather graphs for December

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

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Torshavn
Akureyri
Isafjordur
Jan Mayen
Selfoss
Vestmannaeyjar
Borgarnes
Akranes
Sejdisfjordur

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Bellingshausen Station
Oslo
Yurmala
Toronto
Palanga

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

In December, the weather in Reykyavik is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Reykyavik has 9 rainy, 9 cloudy, 6 partly cloudy, 4 sunny, and 3 snowy 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 Reykyavik.

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