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December weather forecast in Southampton

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

	763 mmHg		71%
	9.8 m/s		+12

30 November, Sunday. day, 9°; night, 6°; rain

1 December, mon

	760 mmHg		73%
	11.3 m/s		+12

1 December, Monday. day, 10°; night, 7°; rain

2 December, tue

	762 mmHg		68%
	10.4 m/s		+12

2 December, Tuesday. day, 9°; night, 6°; clear

3 December, wed

	762 mmHg		70%
	10.1 m/s		+12

3 December, Wednesday. day, 8°; night, 5°; clear

4 December, thu

	763 mmHg		68%
	8.8 m/s		+12

4 December, Thursday. day, 8°; night, 5°; clear

5 December, fri

	763 mmHg		71%
	9 m/s		+12

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

6 December, sat

	762 mmHg		71%
	10.4 m/s		+12

6 December, Saturday. day, 8°; night, 5°; rain

7 December, sun

	761 mmHg		69%
	9.89 m/s		+11

7 December, Sunday. day, 7°; night, 5°; rain

8 December, mon

	764 mmHg		68%
	9.89 m/s		+11

8 December, Monday. day, 6°; night, 3°; clear

9 December, tue

	765 mmHg		70%
	9.39 m/s		+11

9 December, Tuesday. day, 7°; night, 3°; rain

10 December, wed

	763 mmHg		74%
	9.3 m/s		+11

10 December, Wednesday. day, 8°; night, 5°; rain

11 December, thu

	762 mmHg		75%
	9.7 m/s		+11

11 December, Thursday. day, 8°; night, 5°; rain

12 December, fri

	763 mmHg		71%
	10.6 m/s		+11

12 December, Friday. day, 8°; night, 4°; rain

13 December, sat

	765 mmHg		68%
	9.1 m/s		+11

13 December, Saturday. day, 7°; night, 3°; clear

14 December, sun

	764 mmHg		73%
	10.3 m/s		+11

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

15 December, mon

	763 mmHg		73%
	9.8 m/s		+11

15 December, Monday. day, 7°; night, 4°; partly cloudy

16 December, tue

	764 mmHg		72%
	11 m/s		+10

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

17 December, wed

	761 mmHg		75%
	10.4 m/s		+10

17 December, Wednesday. day, 7°; night, 4°; rain

18 December, thu

	761 mmHg		72%
	9.7 m/s		+10

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

19 December, fri

	763 mmHg		68%
	9.39 m/s		+10

19 December, Friday. day, 6°; night, 2°; partly cloudy

20 December, sat

	762 mmHg		71%
	10 m/s		+10

20 December, Saturday. day, 5°; night, 2°; partly cloudy

21 December, sun

	763 mmHg		71%
	10.4 m/s		+10

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

22 December, mon

	763 mmHg		71%
	10 m/s		+10

22 December, Monday. day, 6°; night, 3°; partly cloudy

23 December, tue

	764 mmHg		73%
	10.4 m/s		+10

23 December, Tuesday. day, 6°; night, 3°; partly cloudy

24 December, wed

	763 mmHg		73%
	9.7 m/s		+10

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

25 December, thu

	763 mmHg		72%
	9.39 m/s		+9

25 December, Thursday. day, 6°; night, 3°; partly cloudy

26 December, fri

	764 mmHg		70%
	9.8 m/s		+9

26 December, Friday. day, 5°; night, 2°; partly cloudy

27 December, sat

	762 mmHg		72%
	10.1 m/s		+9

27 December, Saturday. day, 5°; night, 3°; clear

28 December, sun

	762 mmHg		73%
	9.39 m/s		+9

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

29 December, mon

	761 mmHg		74%
	9.3 m/s		+9

29 December, Monday. day, 6°; night, 3°; overcast

30 December, tue

	760 mmHg		73%
	9.89 m/s		+10

30 December, Tuesday. day, 6°; night, 3°; clear

31 December, wed

	762 mmHg		72%
	9.3 m/s		+10

31 December, Wednesday. day, 5°; night, 2°; rain

1 January, thu

	763 mmHg		73%
	9.39 m/s		+9

1 January, Thursday. day, 5°; night, 2°; clear

2 January, fri

	763 mmHg		73%
	9.5 m/s		+9

2 January, Friday. day, 5°; night, 2°; rain

3 January, sat

	762 mmHg		75%
	10.4 m/s		+9

3 January, Saturday. day, 5°; night, 1°; rain

Average data for 10 years

Southampton December

10

sunny days

12

days with precipitation

9

cloudy days

10 sunny days; 12 days with precipitation; 9 cloudy days;

71

%

air humidity

7.2

m/s

WindSW

137

mm of precipitation

(11% of annual average)

+11

°C

Water temperature

air humidity 71%; 137 millimeters of precipitation (11% of annual average); Wind south-westerly 7.2 Meters per second; Water temperature +11°

Weather graphs for December

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

SW

SW

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

W

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

New York
Boston
Philadelphia
Islandia
Colchester
Jamaica
Brooklyn
Brookhaven
Lake George

Cities with similar weather in December

Burgas
Varna
Aktau
Dublin
Copenhagen
The Golden Sands
Pomorie
Edinburgh
Bergen

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

December in Southampton is the windiest month of the year. In December, the weather in Southampton is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Southampton has 11 rainy, 10 sunny, 8 partly cloudy, and 2 cloudy 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 Southampton.

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