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August weather forecast in Saint-Jean-de-Monts

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

	762 mmHg		82%
	6.8 m/s		+20

27 July, Sunday. day, 20°; night, 17°; rain

28 July, mon

	763 mmHg		79%
	6.6 m/s		+20

28 July, Monday. day, 20°; night, 17°; partly cloudy

29 July, tue

	763 mmHg		81%
	7.1 m/s		+20

29 July, Tuesday. day, 20°; night, 17°; partly cloudy

30 July, wed

	764 mmHg		79%
	6.5 m/s		+20

30 July, Wednesday. day, 20°; night, 17°; partly cloudy

31 July, thu

	763 mmHg		78%
	6.1 m/s		+19

31 July, Thursday. day, 21°; night, 17°; partly cloudy

1 August, fri

	762 mmHg		79%
	6.7 m/s		+19

1 August, Friday. day, 20°; night, 17°; clear

2 August, sat

	762 mmHg		80%
	7 m/s		+20

2 August, Saturday. day, 20°; night, 17°; partly cloudy

3 August, sun

	763 mmHg		80%
	6.7 m/s		+19

3 August, Sunday. day, 20°; night, 17°; partly cloudy

4 August, mon

	763 mmHg		79%
	6.2 m/s		+20

4 August, Monday. day, 21°; night, 17°; rain

5 August, tue

	763 mmHg		80%
	6.5 m/s		+20

5 August, Tuesday. day, 20°; night, 17°; clear

6 August, wed

	763 mmHg		79%
	6.3 m/s		+20

6 August, Wednesday. day, 20°; night, 17°; rain

7 August, thu

	762 mmHg		78%
	6.5 m/s		+20

7 August, Thursday. day, 21°; night, 17°; rain

8 August, fri

	763 mmHg		77%
	6.8 m/s		+20

8 August, Friday. day, 21°; night, 17°; clear

9 August, sat

	763 mmHg		77%
	6.8 m/s		+20

9 August, Saturday. day, 21°; night, 17°; clear

10 August, sun

	763 mmHg		76%
	6.8 m/s		+19

10 August, Sunday. day, 21°; night, 17°; clear

11 August, mon

	763 mmHg		79%
	6.5 m/s		+20

11 August, Monday. day, 21°; night, 17°; partly cloudy

12 August, tue

	763 mmHg		81%
	6.8 m/s		+20

12 August, Tuesday. day, 20°; night, 17°; clear

13 August, wed

	763 mmHg		80%
	6.3 m/s		+19

13 August, Wednesday. day, 20°; night, 17°; partly cloudy

14 August, thu

	762 mmHg		81%
	6.8 m/s		+20

14 August, Thursday. day, 21°; night, 17°; rain

15 August, fri

	763 mmHg		79%
	6.3 m/s		+20

15 August, Friday. day, 21°; night, 17°; clear

16 August, sat

	762 mmHg		79%
	6.3 m/s		+20

16 August, Saturday. day, 21°; night, 17°; partly cloudy

17 August, sun

	761 mmHg		80%
	6.3 m/s		+20

17 August, Sunday. day, 20°; night, 17°; rain

18 August, mon

	761 mmHg		80%
	7.1 m/s		+20

18 August, Monday. day, 20°; night, 17°; rain

19 August, tue

	762 mmHg		81%
	6.6 m/s		+20

19 August, Tuesday. day, 20°; night, 17°; partly cloudy

20 August, wed

	764 mmHg		79%
	6.1 m/s		+20

20 August, Wednesday. day, 20°; night, 16°; partly cloudy

21 August, thu

	765 mmHg		78%
	6.2 m/s		+20

21 August, Thursday. day, 21°; night, 17°; clear

22 August, fri

	764 mmHg		79%
	6.3 m/s		+20

22 August, Friday. day, 21°; night, 17°; clear

23 August, sat

	762 mmHg		81%
	6.8 m/s		+20

23 August, Saturday. day, 21°; night, 17°; partly cloudy

24 August, sun

	762 mmHg		79%
	7.2 m/s		+19

24 August, Sunday. day, 21°; night, 17°; rain

25 August, mon

	762 mmHg		81%
	7.3 m/s		+20

25 August, Monday. day, 20°; night, 17°; rain

26 August, tue

	762 mmHg		80%
	6.6 m/s		+19

26 August, Tuesday. day, 20°; night, 17°; overcast

27 August, wed

	763 mmHg		80%
	7 m/s		+20

27 August, Wednesday. day, 20°; night, 16°; partly cloudy

28 August, thu

	763 mmHg		77%
	7 m/s		+20

28 August, Thursday. day, 20°; night, 16°; clear

29 August, fri

	764 mmHg		77%
	6.6 m/s		+20

29 August, Friday. day, 20°; night, 16°; clear

30 August, sat

	764 mmHg		76%
	6.3 m/s		+21

30 August, Saturday. day, 20°; night, 16°; clear

31 August, sun

	764 mmHg		78%
	6.4 m/s		+20

31 August, Sunday. day, 20°; night, 15°; partly cloudy

1 September, mon

	765 mmHg		77%
	6.2 m/s		+20

1 September, Monday. day, 20°; night, 15°; partly cloudy

2 September, tue

	764 mmHg		77%
	6.7 m/s		+20

2 September, Tuesday. day, 20°; night, 15°; clear

3 September, wed

	764 mmHg		77%
	6.5 m/s		+19

3 September, Wednesday. day, 20°; night, 16°; clear

4 September, thu

	763 mmHg		79%
	6.2 m/s		+19

4 September, Thursday. day, 20°; night, 16°; clear

5 September, fri

	763 mmHg		78%
	6.3 m/s		+19

5 September, Friday. day, 20°; night, 16°; clear

6 September, sat

	763 mmHg		78%
	6.9 m/s		+19

6 September, Saturday. day, 20°; night, 16°; clear

Average data for 10 years

Saint-Jean-de-Monts August

12

sunny days

8

days with precipitation

3

cloudy days

12 sunny days; 8 days with precipitation; 3 cloudy days;

79

%

air humidity

4.8

m/s

WindSW

46

mm of precipitation

(6% of annual average)

+20

°C

Water temperature

air humidity 79%; 46 millimeters of precipitation (6% of annual average); Wind south-westerly 4.8 Meters per second; Water temperature +20°

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

SW

SW

S

SW

SW

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

Bilbao
Bordeaux
San Sebastian
Biarritz
Brest
Santander
Nantes
Le Havre
Mont St Michel

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-Jean-de-Monts is the warmest month of the year. In August, the weather in Saint-Jean-de-Monts is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Saint-Jean-de-Monts has 12 sunny, 10 partly cloudy, 8 rainy, and 1 cloudy day in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Saint-Jean-de-Monts.

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