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December weather forecast in Dundalk

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

	745 mmHg		88%
	6 m/s		+8

30 November, Sunday. day, 8°; night, 4°; overcast

1 December, mon

	745 mmHg		88%
	5.6 m/s		+8

1 December, Monday. day, 7°; night, 3°; partly cloudy

2 December, tue

	745 mmHg		88%
	5.6 m/s		+7

2 December, Tuesday. day, 7°; night, 3°; overcast

3 December, wed

	743 mmHg		89%
	5.8 m/s		+8

3 December, Wednesday. day, 7°; night, 3°; rain

4 December, thu

	743 mmHg		88%
	6 m/s		+8

4 December, Thursday. day, 7°; night, 3°; partly cloudy

5 December, fri

	744 mmHg		88%
	6.5 m/s		+8

5 December, Friday. day, 7°; night, 3°; clear

6 December, sat

	744 mmHg		90%
	6 m/s		+8

6 December, Saturday. day, 8°; night, 3°; rain

7 December, sun

	742 mmHg		87%
	7 m/s		+8

7 December, Sunday. day, 7°; night, 4°; rain

8 December, mon

	743 mmHg		87%
	6.7 m/s		+9

8 December, Monday. day, 7°; night, 4°; rain

9 December, tue

	745 mmHg		87%
	6.2 m/s		+8

9 December, Tuesday. day, 8°; night, 4°; clear

10 December, wed

	746 mmHg		88%
	5.6 m/s		+8

10 December, Wednesday. day, 7°; night, 3°; clear

11 December, thu

	746 mmHg		89%
	5.2 m/s		+8

11 December, Thursday. day, 7°; night, 3°; partly cloudy

12 December, fri

	745 mmHg		90%
	5.5 m/s		+8

12 December, Friday. day, 7°; night, 3°; overcast

13 December, sat

	745 mmHg		88%
	5.9 m/s		+8

13 December, Saturday. day, 7°; night, 3°; partly cloudy

14 December, sun

	745 mmHg		87%
	6.3 m/s		+8

14 December, Sunday. day, 7°; night, 3°; overcast

15 December, mon

	748 mmHg		88%
	5.6 m/s		+8

15 December, Monday. day, 7°; night, 3°; partly cloudy

16 December, tue

	747 mmHg		86%
	6 m/s		+9

16 December, Tuesday. day, 7°; night, 3°; partly cloudy

17 December, wed

	747 mmHg		88%
	5.9 m/s		+8

17 December, Wednesday. day, 7°; night, 3°; partly cloudy

18 December, thu

	745 mmHg		90%
	5.8 m/s		+8

18 December, Thursday. day, 7°; night, 3°; overcast

19 December, fri

	745 mmHg		88%
	5.8 m/s		+9

19 December, Friday. day, 7°; night, 3°; partly cloudy

20 December, sat

	745 mmHg		88%
	5.7 m/s		+9

20 December, Saturday. day, 6°; night, 3°; rain

21 December, sun

	744 mmHg		88%
	6.1 m/s		+8

21 December, Sunday. day, 7°; night, 4°; rain

22 December, mon

	744 mmHg		89%
	6 m/s		+9

22 December, Monday. day, 7°; night, 4°; rain

23 December, tue

	743 mmHg		88%
	6.5 m/s		+8

23 December, Tuesday. day, 8°; night, 4°; overcast

24 December, wed

	742 mmHg		88%
	6.3 m/s		+8

24 December, Wednesday. day, 7°; night, 3°; rain

25 December, thu

	743 mmHg		89%
	5.9 m/s		+8

25 December, Thursday. day, 6°; night, 3°; overcast

26 December, fri

	743 mmHg		88%
	6.4 m/s		+7

26 December, Friday. day, 6°; night, 3°; rain

27 December, sat

	741 mmHg		90%
	6 m/s		+7

27 December, Saturday. day, 6°; night, 3°; rain

28 December, sun

	742 mmHg		88%
	6.1 m/s		+8

28 December, Sunday. day, 6°; night, 2°; clear

29 December, mon

	742 mmHg		87%
	7 m/s		+8

29 December, Monday. day, 7°; night, 2°; rain

30 December, tue

	742 mmHg		89%
	6.4 m/s		+8

30 December, Tuesday. day, 7°; night, 4°; rain

31 December, wed

	742 mmHg		88%
	6.8 m/s		+8

31 December, Wednesday. day, 7°; night, 3°; rain

1 January, thu

	742 mmHg		87%
	6.6 m/s		+8

1 January, Thursday. day, 7°; night, 3°; clear

2 January, fri

	744 mmHg		86%
	6.4 m/s		+7

2 January, Friday. day, 6°; night, 3°; partly cloudy

3 January, sat

	743 mmHg		85%
	6.8 m/s		+7

3 January, Saturday. day, 7°; night, 3°; rain

Average data for 10 years

Dundalk December

4

sunny days

13

days with precipitation

15

cloudy days

4 sunny days; 13 days with precipitation; 15 cloudy days;

88

%

air humidity

4.5

m/s

WindSW

80

mm of precipitation

(9% of annual average)

+8

°C

Water temperature

air humidity 88%; 80 millimeters of precipitation (9% of annual average); Wind south-westerly 4.5 Meters per second; Water temperature +8°

Weather graphs for December

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

S

S

SW

SW

SW

S

S

S

SW

SW

SW

S

SW

SW

S

SW

SW

S

S

S

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

Dublin
Edinburgh
Liverpool
Carrickfinn
Glasgow
Cork
Galway
Wicklow
Belfast

Cities with similar weather in December

New York
Varna
Copenhagen
The Golden Sands
Bergen
Bruges
Busan
Albena
Rostock

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

In December, the weather in Dundalk is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Dundalk has 12 rainy, 8 partly cloudy, 7 cloudy, and 4 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 Dundalk.

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