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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

	757 mmHg		88%
	6.5 m/s		+12

30 November, Sunday. day, 8°; night, 3°; overcast

1 December, mon

	756 mmHg		87%
	6.7 m/s		+12

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

2 December, tue

	756 mmHg		87%
	6.3 m/s		+12

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

3 December, wed

	755 mmHg		87%
	6.8 m/s		+12

3 December, Wednesday. day, 8°; night, 4°; rain

4 December, thu

	755 mmHg		86%
	6.6 m/s		+12

4 December, Thursday. day, 8°; night, 3°; clear

5 December, fri

	756 mmHg		86%
	6.9 m/s		+12

5 December, Friday. day, 8°; night, 3°; partly cloudy

6 December, sat

	758 mmHg		87%
	6.5 m/s		+12

6 December, Saturday. day, 8°; night, 3°; partly cloudy

7 December, sun

	756 mmHg		86%
	7 m/s		+12

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

8 December, mon

	756 mmHg		86%
	6.8 m/s		+12

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

9 December, tue

	758 mmHg		86%
	6.2 m/s		+12

9 December, Tuesday. day, 8°; night, 3°; clear

10 December, wed

	759 mmHg		87%
	6.5 m/s		+12

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

11 December, thu

	758 mmHg		90%
	6 m/s		+11

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

12 December, fri

	758 mmHg		89%
	6.8 m/s		+11

12 December, Friday. day, 8°; night, 3°; rain

13 December, sat

	757 mmHg		88%
	6.6 m/s		+11

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

14 December, sun

	758 mmHg		86%
	6.3 m/s		+11

14 December, Sunday. day, 7°; night, 3°; partly cloudy

15 December, mon

	759 mmHg		87%
	6.3 m/s		+11

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

16 December, tue

	759 mmHg		88%
	5.7 m/s		+11

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

17 December, wed

	759 mmHg		88%
	5.8 m/s		+11

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

18 December, thu

	758 mmHg		90%
	6.4 m/s		+11

18 December, Thursday. day, 8°; night, 3°; rain

19 December, fri

	757 mmHg		90%
	6 m/s		+11

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

20 December, sat

	758 mmHg		89%
	6.1 m/s		+11

20 December, Saturday. day, 7°; night, 2°; rain

21 December, sun

	757 mmHg		90%
	6.5 m/s		+11

21 December, Sunday. day, 8°; night, 4°; overcast

22 December, mon

	757 mmHg		89%
	6.8 m/s		+11

22 December, Monday. day, 8°; night, 5°; overcast

23 December, tue

	757 mmHg		89%
	7.1 m/s		+11

23 December, Tuesday. day, 9°; night, 5°; rain

24 December, wed

	756 mmHg		88%
	7.4 m/s		+11

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

25 December, thu

	756 mmHg		88%
	6.8 m/s		+11

25 December, Thursday. day, 7°; night, 4°; overcast

26 December, fri

	756 mmHg		87%
	7 m/s		+11

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

27 December, sat

	754 mmHg		87%
	7.3 m/s		+11

27 December, Saturday. day, 7°; night, 3°; rain

28 December, sun

	755 mmHg		87%
	6.5 m/s		+11

28 December, Sunday. day, 7°; night, 3°; clear

29 December, mon

	756 mmHg		88%
	6.6 m/s		+11

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

30 December, tue

	756 mmHg		90%
	6.9 m/s		+11

30 December, Tuesday. day, 8°; night, 4°; rain

31 December, wed

	756 mmHg		89%
	7 m/s		+11

31 December, Wednesday. day, 7°; night, 4°; overcast

1 January, thu

	755 mmHg		88%
	7.2 m/s		+11

1 January, Thursday. day, 8°; night, 4°; rain

2 January, fri

	756 mmHg		86%
	7.2 m/s		+11

2 January, Friday. day, 7°; night, 3°; clear

3 January, sat

	757 mmHg		86%
	7.4 m/s		+10

3 January, Saturday. day, 7°; night, 2°; rain

Average data for 10 years

Southampton December

5

sunny days

12

days with precipitation

14

cloudy days

5 sunny days; 12 days with precipitation; 14 cloudy days;

88

%

air humidity

4.8

m/s

WindS

76

mm of precipitation

(10% of annual average)

+11

°C

Water temperature

air humidity 88%; 76 millimeters of precipitation (10% of annual average); Wind southerly 4.8 Meters per second; Water temperature +11°

Weather graphs for December

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

S

S

S

SW

SW

S

S

SW

SW

SW

S

S

S

S

S

SW

S

S

S

S

S

SW

S

SW

SW

SW

S

SW

SW

SW

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

London
Manchester
Brest
Liverpool
Trowbridge
Oxford
Le Havre
Rouen
Bournemouth

Cities with similar weather in December

Gagra
Suhum
Baku
Pitsunda
Burgas
New Athos
The Sunny Beach
Podgorica
Gudauta

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

In December, the weather in Southampton is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, Southampton has 11 rainy, 8 partly cloudy, 7 cloudy, and 5 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 Southampton.

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