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December weather forecast in Colwyn Bay

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		80%
	10 m/s		+10

30 November, Sunday. day, 9°; night, 7°; partly cloudy

1 December, mon

	759 mmHg		80%
	10 m/s		+10

1 December, Monday. day, 9°; night, 7°; rain

2 December, tue

	759 mmHg		79%
	9.89 m/s		+10

2 December, Tuesday. day, 8°; night, 7°; rain

3 December, wed

	757 mmHg		81%
	10.5 m/s		+10

3 December, Wednesday. day, 9°; night, 6°; rain

4 December, thu

	757 mmHg		81%
	10.7 m/s		+10

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

5 December, fri

	758 mmHg		79%
	11.4 m/s		+10

5 December, Friday. day, 9°; night, 6°; rain

6 December, sat

	760 mmHg		80%
	10.3 m/s		+10

6 December, Saturday. day, 9°; night, 7°; rain

7 December, sun

	757 mmHg		80%
	11.3 m/s		+10

7 December, Sunday. day, 8°; night, 6°; rain

8 December, mon

	758 mmHg		79%
	11.2 m/s		+10

8 December, Monday. day, 9°; night, 7°; rain

9 December, tue

	761 mmHg		80%
	10.9 m/s		+10

9 December, Tuesday. day, 8°; night, 7°; rain

10 December, wed

	761 mmHg		80%
	10.2 m/s		+10

10 December, Wednesday. day, 8°; night, 6°; clear

11 December, thu

	761 mmHg		82%
	9 m/s		+10

11 December, Thursday. day, 8°; night, 6°; partly cloudy

12 December, fri

	761 mmHg		82%
	9.3 m/s		+10

12 December, Friday. day, 8°; night, 6°; overcast

13 December, sat

	760 mmHg		81%
	10.2 m/s		+9

13 December, Saturday. day, 8°; night, 6°; overcast

14 December, sun

	760 mmHg		80%
	10.5 m/s		+9

14 December, Sunday. day, 8°; night, 6°; partly cloudy

15 December, mon

	762 mmHg		80%
	10 m/s		+9

15 December, Monday. day, 8°; night, 6°; partly cloudy

16 December, tue

	762 mmHg		80%
	10.1 m/s		+9

16 December, Tuesday. day, 8°; night, 7°; overcast

17 December, wed

	762 mmHg		81%
	10 m/s		+9

17 December, Wednesday. day, 8°; night, 6°; partly cloudy

18 December, thu

	761 mmHg		82%
	9.6 m/s		+9

18 December, Thursday. day, 8°; night, 6°; rain

19 December, fri

	760 mmHg		82%
	10 m/s		+9

19 December, Friday. day, 8°; night, 6°; partly cloudy

20 December, sat

	760 mmHg		82%
	9.8 m/s		+9

20 December, Saturday. day, 7°; night, 6°; rain

21 December, sun

	759 mmHg		82%
	10.5 m/s		+9

21 December, Sunday. day, 8°; night, 6°; overcast

22 December, mon

	759 mmHg		83%
	10.1 m/s		+9

22 December, Monday. day, 8°; night, 6°; rain

23 December, tue

	759 mmHg		83%
	11 m/s		+9

23 December, Tuesday. day, 8°; night, 7°; rain

24 December, wed

	757 mmHg		82%
	11 m/s		+9

24 December, Wednesday. day, 8°; night, 6°; rain

25 December, thu

	758 mmHg		81%
	10.3 m/s		+9

25 December, Thursday. day, 8°; night, 6°; rain

26 December, fri

	758 mmHg		80%
	11 m/s		+9

26 December, Friday. day, 7°; night, 5°; rain

27 December, sat

	756 mmHg		82%
	10.4 m/s		+9

27 December, Saturday. day, 7°; night, 5°; rain

28 December, sun

	757 mmHg		81%
	10.1 m/s		+9

28 December, Sunday. day, 7°; night, 5°; partly cloudy

29 December, mon

	758 mmHg		80%
	10.8 m/s		+9

29 December, Monday. day, 7°; night, 5°; partly cloudy

30 December, tue

	757 mmHg		83%
	10.6 m/s		+9

30 December, Tuesday. day, 8°; night, 6°; rain

31 December, wed

	757 mmHg		82%
	10.7 m/s		+9

31 December, Wednesday. day, 8°; night, 6°; rain

1 January, thu

	757 mmHg		82%
	10.9 m/s		+9

1 January, Thursday. day, 8°; night, 6°; rain

2 January, fri

	759 mmHg		79%
	10.7 m/s		+9

2 January, Friday. day, 7°; night, 5°; partly cloudy

3 January, sat

	759 mmHg		79%
	11 m/s		+8

3 January, Saturday. day, 7°; night, 5°; rain

Average data for 10 years

Colwyn Bay December

1

sunny day

19

days with precipitation

13

cloudy days

1 sunny day; 19 days with precipitation; 13 cloudy days;

81

%

air humidity

7.9

m/s

WindS

127

mm of precipitation

(12% of annual average)

+9

°C

Water temperature

air humidity 81%; 127 millimeters of precipitation (12% of annual average); Wind southerly 7.9 Meters per second; Water temperature +9°

Weather graphs for December

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

S

SW

S

SW

SW

S

S

SW

SW

SW

S

S

S

SW

S

SW

S

S

S

S

SW

SW

S

S

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
Manchester
Liverpool
Trowbridge
Looe
Glasgow
Bristol
Plymouth

Cities with similar weather in December

Suhum
Burgas
Varna
The Sunny Beach
Podgorica
Vancouver
The Golden Sands
Pomorie
Looe

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

In December, the weather in Colwyn Bay is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, Colwyn Bay has 19 rainy, 7 partly cloudy, 4 cloudy, and 1 sunny 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 Colwyn Bay.

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