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August 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

27 July, sun

	761 mmHg		82%
	6.8 m/s		+22

27 July, Sunday. day, 24°; night, 22°; clear

28 July, mon

	760 mmHg		85%
	6.5 m/s		+22

28 July, Monday. day, 24°; night, 22°; rain

29 July, tue

	760 mmHg		83%
	6.6 m/s		+23

29 July, Tuesday. day, 24°; night, 22°; rain

30 July, wed

	761 mmHg		80%
	6.4 m/s		+23

30 July, Wednesday. day, 24°; night, 22°; clear

31 July, thu

	762 mmHg		80%
	6.4 m/s		+23

31 July, Thursday. day, 24°; night, 21°; clear

1 August, fri

	761 mmHg		82%
	6.3 m/s		+23

1 August, Friday. day, 24°; night, 22°; rain

2 August, sat

	761 mmHg		82%
	6.5 m/s		+23

2 August, Saturday. day, 24°; night, 22°; clear

3 August, sun

	761 mmHg		82%
	6.5 m/s		+23

3 August, Sunday. day, 24°; night, 22°; clear

4 August, mon

	761 mmHg		84%
	6.5 m/s		+23

4 August, Monday. day, 24°; night, 22°; rain

5 August, tue

	761 mmHg		82%
	6.7 m/s		+23

5 August, Tuesday. day, 24°; night, 22°; clear

6 August, wed

	761 mmHg		79%
	6.7 m/s		+23

6 August, Wednesday. day, 24°; night, 22°; partly cloudy

7 August, thu

	761 mmHg		78%
	7 m/s		+23

7 August, Thursday. day, 24°; night, 22°; overcast

8 August, fri

	761 mmHg		79%
	6.6 m/s		+23

8 August, Friday. day, 24°; night, 22°; partly cloudy

9 August, sat

	761 mmHg		79%
	6.8 m/s		+23

9 August, Saturday. day, 24°; night, 22°; clear

10 August, sun

	760 mmHg		81%
	6.9 m/s		+23

10 August, Sunday. day, 24°; night, 22°; rain

11 August, mon

	760 mmHg		81%
	6.6 m/s		+23

11 August, Monday. day, 24°; night, 22°; rain

12 August, tue

	761 mmHg		82%
	6.5 m/s		+23

12 August, Tuesday. day, 24°; night, 22°; overcast

13 August, wed

	761 mmHg		82%
	7 m/s		+23

13 August, Wednesday. day, 24°; night, 22°; rain

14 August, thu

	761 mmHg		80%
	6.4 m/s		+23

14 August, Thursday. day, 24°; night, 22°; partly cloudy

15 August, fri

	761 mmHg		81%
	6.5 m/s		+23

15 August, Friday. day, 23°; night, 22°; rain

16 August, sat

	762 mmHg		83%
	6.1 m/s		+23

16 August, Saturday. day, 23°; night, 21°; partly cloudy

17 August, sun

	761 mmHg		82%
	6.4 m/s		+23

17 August, Sunday. day, 24°; night, 22°; partly cloudy

18 August, mon

	761 mmHg		81%
	6.7 m/s		+23

18 August, Monday. day, 24°; night, 22°; rain

19 August, tue

	761 mmHg		79%
	7 m/s		+23

19 August, Tuesday. day, 23°; night, 21°; rain

20 August, wed

	762 mmHg		78%
	6.6 m/s		+23

20 August, Wednesday. day, 23°; night, 21°; clear

21 August, thu

	762 mmHg		80%
	7 m/s		+23

21 August, Thursday. day, 23°; night, 21°; partly cloudy

22 August, fri

	761 mmHg		80%
	7.2 m/s		+23

22 August, Friday. day, 23°; night, 21°; partly cloudy

23 August, sat

	761 mmHg		78%
	7 m/s		+23

23 August, Saturday. day, 23°; night, 21°; clear

24 August, sun

	762 mmHg		77%
	6.6 m/s		+23

24 August, Sunday. day, 23°; night, 21°; clear

25 August, mon

	763 mmHg		78%
	6.6 m/s		+23

25 August, Monday. day, 23°; night, 21°; clear

26 August, tue

	762 mmHg		78%
	6.6 m/s		+23

26 August, Tuesday. day, 23°; night, 21°; clear

27 August, wed

	762 mmHg		80%
	6.5 m/s		+23

27 August, Wednesday. day, 23°; night, 21°; clear

28 August, thu

	761 mmHg		82%
	7.3 m/s		+23

28 August, Thursday. day, 23°; night, 21°; overcast

29 August, fri

	761 mmHg		80%
	7.3 m/s		+23

29 August, Friday. day, 23°; night, 21°; rain

30 August, sat

	762 mmHg		79%
	6.4 m/s		+22

30 August, Saturday. day, 23°; night, 21°; clear

31 August, sun

	762 mmHg		79%
	6.8 m/s		+22

31 August, Sunday. day, 23°; night, 21°; partly cloudy

1 September, mon

	763 mmHg		76%
	7.4 m/s		+22

1 September, Monday. day, 23°; night, 21°; clear

2 September, tue

	762 mmHg		76%
	7.6 m/s		+22

2 September, Tuesday. day, 22°; night, 20°; partly cloudy

3 September, wed

	762 mmHg		78%
	7.1 m/s		+22

3 September, Wednesday. day, 22°; night, 20°; partly cloudy

4 September, thu

	761 mmHg		79%
	6.3 m/s		+22

4 September, Thursday. day, 23°; night, 21°; clear

5 September, fri

	763 mmHg		77%
	7.2 m/s		+22

5 September, Friday. day, 22°; night, 20°; clear

6 September, sat

	763 mmHg		78%
	7.6 m/s		+22

6 September, Saturday. day, 22°; night, 20°; clear

Average data for 10 years

Southampton August

11

sunny days

9

days with precipitation

6

cloudy days

11 sunny days; 9 days with precipitation; 6 cloudy days;

80

%

air humidity

4.6

m/s

WindS

94

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 80%; 94 millimeters of precipitation (8% of annual average); Wind southerly 4.6 Meters per second; Water temperature +23°

Weather graphs for August

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

S

S

SW

SW

S

SW

S

S

SW

SW

S

S

S

SW

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

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

New York
Boston
Philadelphia
Islandia
Colchester
Jamaica
Brooklyn
Brookhaven
Lake George

Cities with similar weather in August

Toronto
Rio de Janeiro
Genoa
Marseilles
Bali
San Remo
Loanda
Mogadishu
Mombasa

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

August in Southampton is the warmest month of the year. In August, the weather in Southampton is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Southampton has 11 sunny, 9 rainy, 8 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.

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