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August weather forecast in Saint-Nazaire

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

	760 mmHg		79%
	5.4 m/s		+20

27 July, Sunday. day, 22°; night, 16°; rain

28 July, mon

	761 mmHg		77%
	5.3 m/s		+20

28 July, Monday. day, 22°; night, 15°; partly cloudy

29 July, tue

	761 mmHg		78%
	5.5 m/s		+20

29 July, Tuesday. day, 22°; night, 15°; partly cloudy

30 July, wed

	761 mmHg		76%
	4.9 m/s		+21

30 July, Wednesday. day, 22°; night, 15°; partly cloudy

31 July, thu

	761 mmHg		75%
	4.69 m/s		+20

31 July, Thursday. day, 23°; night, 15°; partly cloudy

1 August, fri

	760 mmHg		77%
	4.9 m/s		+20

1 August, Friday. day, 22°; night, 15°; clear

2 August, sat

	760 mmHg		78%
	5.4 m/s		+20

2 August, Saturday. day, 22°; night, 15°; partly cloudy

3 August, sun

	761 mmHg		79%
	5.3 m/s		+19

3 August, Sunday. day, 22°; night, 15°; partly cloudy

4 August, mon

	761 mmHg		77%
	5 m/s		+21

4 August, Monday. day, 22°; night, 15°; rain

5 August, tue

	761 mmHg		78%
	5.2 m/s		+20

5 August, Tuesday. day, 22°; night, 15°; rain

6 August, wed

	761 mmHg		78%
	4.69 m/s		+20

6 August, Wednesday. day, 22°; night, 15°; partly cloudy

7 August, thu

	760 mmHg		76%
	4.9 m/s		+20

7 August, Thursday. day, 23°; night, 15°; rain

8 August, fri

	760 mmHg		74%
	5.2 m/s		+20

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

9 August, sat

	761 mmHg		75%
	5.2 m/s		+21

9 August, Saturday. day, 23°; night, 15°; clear

10 August, sun

	761 mmHg		74%
	5.4 m/s		+20

10 August, Sunday. day, 23°; night, 15°; clear

11 August, mon

	761 mmHg		77%
	5 m/s		+21

11 August, Monday. day, 23°; night, 15°; clear

12 August, tue

	760 mmHg		78%
	5 m/s		+20

12 August, Tuesday. day, 22°; night, 15°; clear

13 August, wed

	761 mmHg		78%
	4.69 m/s		+20

13 August, Wednesday. day, 22°; night, 15°; partly cloudy

14 August, thu

	760 mmHg		80%
	5 m/s		+21

14 August, Thursday. day, 22°; night, 15°; rain

15 August, fri

	760 mmHg		77%
	4.8 m/s		+21

15 August, Friday. day, 22°; night, 15°; partly cloudy

16 August, sat

	760 mmHg		78%
	4.8 m/s		+21

16 August, Saturday. day, 22°; night, 15°; rain

17 August, sun

	759 mmHg		79%
	4.8 m/s		+21

17 August, Sunday. day, 22°; night, 15°; rain

18 August, mon

	758 mmHg		79%
	5.5 m/s		+21

18 August, Monday. day, 22°; night, 15°; rain

19 August, tue

	760 mmHg		79%
	5.1 m/s		+21

19 August, Tuesday. day, 22°; night, 15°; partly cloudy

20 August, wed

	762 mmHg		78%
	4.69 m/s		+21

20 August, Wednesday. day, 22°; night, 14°; partly cloudy

21 August, thu

	762 mmHg		77%
	4.8 m/s		+21

21 August, Thursday. day, 22°; night, 14°; clear

22 August, fri

	761 mmHg		77%
	5.1 m/s		+21

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

23 August, sat

	760 mmHg		78%
	5.2 m/s		+21

23 August, Saturday. day, 23°; night, 15°; overcast

24 August, sun

	760 mmHg		78%
	5.7 m/s		+20

24 August, Sunday. day, 22°; night, 15°; overcast

25 August, mon

	759 mmHg		80%
	5.7 m/s		+20

25 August, Monday. day, 22°; night, 15°; rain

26 August, tue

	760 mmHg		80%
	5.2 m/s		+20

26 August, Tuesday. day, 22°; night, 15°; overcast

27 August, wed

	760 mmHg		79%
	5.3 m/s		+21

27 August, Wednesday. day, 22°; night, 15°; partly cloudy

28 August, thu

	761 mmHg		75%
	5 m/s		+21

28 August, Thursday. day, 22°; night, 14°; clear

29 August, fri

	762 mmHg		75%
	4.9 m/s		+21

29 August, Friday. day, 22°; night, 14°; partly cloudy

30 August, sat

	762 mmHg		76%
	4.69 m/s		+22

30 August, Saturday. day, 22°; night, 13°; clear

31 August, sun

	762 mmHg		77%
	5 m/s		+20

31 August, Sunday. day, 21°; night, 13°; partly cloudy

1 September, mon

	762 mmHg		76%
	4.6 m/s		+20

1 September, Monday. day, 21°; night, 13°; partly cloudy

2 September, tue

	762 mmHg		76%
	4.9 m/s		+20

2 September, Tuesday. day, 22°; night, 13°; clear

3 September, wed

	761 mmHg		76%
	5.1 m/s		+20

3 September, Wednesday. day, 22°; night, 14°; clear

4 September, thu

	761 mmHg		77%
	4.8 m/s		+20

4 September, Thursday. day, 22°; night, 14°; clear

5 September, fri

	761 mmHg		76%
	5 m/s		+20

5 September, Friday. day, 22°; night, 14°; clear

6 September, sat

	761 mmHg		78%
	5.5 m/s		+20

6 September, Saturday. day, 22°; night, 14°; rain

Average data for 10 years

Saint-Nazaire August

9

sunny days

9

days with precipitation

5

cloudy days

9 sunny days; 9 days with precipitation; 5 cloudy days;

77

%

air humidity

3.6

m/s

WindSW

49

mm of precipitation

(7% of annual average)

+21

°C

Water temperature

air humidity 77%; 49 millimeters of precipitation (7% of annual average); Wind south-westerly 3.6 Meters per second; Water temperature +21°

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

S

S

S

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

S

SW

S

SW

SW

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

Bordeaux
Brest
San Sebastian
Le Havre
Rouen
Biarritz
Bournemouth
Nantes
Carnac

Cities with similar weather in August

Stockholm
Copenhagen
Vancouver
Gdansk
Lima
Brisbane
Bruges
San Jose
Rostock

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

August in Saint-Nazaire is the warmest month of the year. In August, the weather in Saint-Nazaire is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Saint-Nazaire has 10 partly cloudy, 9 rainy, 9 sunny, and 3 cloudy days in August. The rains are usually light.

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