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August weather forecast in Saint-Brieuc

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

	758 mmHg		84%
	6.4 m/s		+17

27 July, Sunday. day, 19°; night, 15°; overcast

28 July, mon

	759 mmHg		82%
	6.4 m/s		+18

28 July, Monday. day, 19°; night, 15°; partly cloudy

29 July, tue

	758 mmHg		83%
	6.5 m/s		+17

29 July, Tuesday. day, 19°; night, 15°; partly cloudy

30 July, wed

	759 mmHg		82%
	6.5 m/s		+18

30 July, Wednesday. day, 19°; night, 15°; partly cloudy

31 July, thu

	759 mmHg		82%
	5.8 m/s		+18

31 July, Thursday. day, 19°; night, 15°; partly cloudy

1 August, fri

	758 mmHg		83%
	5.8 m/s		+18

1 August, Friday. day, 19°; night, 15°; clear

2 August, sat

	758 mmHg		83%
	6.3 m/s		+18

2 August, Saturday. day, 19°; night, 15°; rain

3 August, sun

	759 mmHg		83%
	6.1 m/s		+17

3 August, Sunday. day, 19°; night, 15°; rain

4 August, mon

	759 mmHg		82%
	6 m/s		+17

4 August, Monday. day, 19°; night, 15°; partly cloudy

5 August, tue

	759 mmHg		82%
	6.5 m/s		+18

5 August, Tuesday. day, 20°; night, 15°; clear

6 August, wed

	759 mmHg		83%
	6 m/s		+18

6 August, Wednesday. day, 19°; night, 15°; partly cloudy

7 August, thu

	759 mmHg		83%
	6.1 m/s		+18

7 August, Thursday. day, 19°; night, 15°; partly cloudy

8 August, fri

	759 mmHg		81%
	6.2 m/s		+18

8 August, Friday. day, 19°; night, 15°; rain

9 August, sat

	759 mmHg		82%
	6.6 m/s		+18

9 August, Saturday. day, 19°; night, 15°; clear

10 August, sun

	759 mmHg		81%
	6.4 m/s		+18

10 August, Sunday. day, 20°; night, 15°; clear

11 August, mon

	759 mmHg		83%
	5.9 m/s		+18

11 August, Monday. day, 20°; night, 15°; rain

12 August, tue

	759 mmHg		83%
	6.1 m/s		+18

12 August, Tuesday. day, 19°; night, 15°; clear

13 August, wed

	759 mmHg		83%
	6.1 m/s		+18

13 August, Wednesday. day, 19°; night, 15°; rain

14 August, thu

	758 mmHg		85%
	6.2 m/s		+18

14 August, Thursday. day, 19°; night, 15°; rain

15 August, fri

	759 mmHg		82%
	6.2 m/s		+18

15 August, Friday. day, 19°; night, 15°; clear

16 August, sat

	758 mmHg		83%
	6.1 m/s		+18

16 August, Saturday. day, 19°; night, 15°; rain

17 August, sun

	757 mmHg		82%
	6.1 m/s		+18

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

18 August, mon

	756 mmHg		82%
	6.7 m/s		+18

18 August, Monday. day, 19°; night, 15°; rain

19 August, tue

	758 mmHg		82%
	6.6 m/s		+18

19 August, Tuesday. day, 19°; night, 15°; rain

20 August, wed

	760 mmHg		82%
	6.2 m/s		+18

20 August, Wednesday. day, 19°; night, 15°; clear

21 August, thu

	761 mmHg		82%
	6.2 m/s		+18

21 August, Thursday. day, 19°; night, 15°; partly cloudy

22 August, fri

	760 mmHg		83%
	6.3 m/s		+18

22 August, Friday. day, 20°; night, 15°; overcast

23 August, sat

	758 mmHg		83%
	6.5 m/s		+18

23 August, Saturday. day, 20°; night, 15°; overcast

24 August, sun

	758 mmHg		83%
	7 m/s		+18

24 August, Sunday. day, 19°; night, 15°; rain

25 August, mon

	757 mmHg		83%
	7.2 m/s		+18

25 August, Monday. day, 19°; night, 15°; rain

26 August, tue

	758 mmHg		83%
	6.9 m/s		+18

26 August, Tuesday. day, 18°; night, 15°; overcast

27 August, wed

	759 mmHg		82%
	6.7 m/s		+18

27 August, Wednesday. day, 19°; night, 15°; overcast

28 August, thu

	759 mmHg		81%
	6.4 m/s		+18

28 August, Thursday. day, 18°; night, 15°; clear

29 August, fri

	760 mmHg		81%
	6.5 m/s		+18

29 August, Friday. day, 18°; night, 14°; partly cloudy

30 August, sat

	761 mmHg		81%
	6.3 m/s		+18

30 August, Saturday. day, 18°; night, 14°; clear

31 August, sun

	761 mmHg		79%
	6.4 m/s		+18

31 August, Sunday. day, 19°; night, 14°; partly cloudy

1 September, mon

	761 mmHg		80%
	6 m/s		+18

1 September, Monday. day, 18°; night, 14°; partly cloudy

2 September, tue

	761 mmHg		82%
	6.1 m/s		+18

2 September, Tuesday. day, 18°; night, 14°; partly cloudy

3 September, wed

	760 mmHg		82%
	6.5 m/s		+18

3 September, Wednesday. day, 19°; night, 15°; clear

4 September, thu

	760 mmHg		82%
	6.2 m/s		+18

4 September, Thursday. day, 18°; night, 15°; clear

5 September, fri

	760 mmHg		81%
	6.3 m/s		+18

5 September, Friday. day, 19°; night, 15°; clear

6 September, sat

	759 mmHg		83%
	7 m/s		+18

6 September, Saturday. day, 19°; night, 15°; partly cloudy

Average data for 10 years

Saint-Brieuc August

9

sunny days

11

days with precipitation

6

cloudy days

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

82

%

air humidity

4.6

m/s

WindSW

55

mm of precipitation

(7% of annual average)

+18

°C

Water temperature

air humidity 82%; 55 millimeters of precipitation (7% of annual average); Wind south-westerly 4.6 Meters per second; Water temperature +18°

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

S

SW

SW

S

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

London
Trowbridge
Brest
Looe
Bristol
Plymouth
Nantes
Rouen
Brighton

Cities with similar weather in August

Helsinki
Tallinn
Stockholm
Oslo
San Francisco
Palanga
Copenhagen
Klaipeda
Brisbane

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

August in Saint-Brieuc is the sunniest and the warmest month of the year. In August, the weather in Saint-Brieuc is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Saint-Brieuc has 11 rainy, 9 sunny, 7 partly cloudy, and 4 cloudy days in August. The rains are usually moderate.

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