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December 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

30 November, sun

	758 mmHg		83%
	8.5 m/s		+12

30 November, Sunday. day, 10°; night, 8°; overcast

1 December, mon

	757 mmHg		81%
	9 m/s		+12

1 December, Monday. day, 10°; night, 8°; rain

2 December, tue

	758 mmHg		80%
	9.2 m/s		+12

2 December, Tuesday. day, 10°; night, 8°; rain

3 December, wed

	757 mmHg		81%
	9.5 m/s		+12

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

4 December, thu

	756 mmHg		82%
	8.89 m/s		+12

4 December, Thursday. day, 10°; night, 7°; rain

5 December, fri

	758 mmHg		80%
	9 m/s		+12

5 December, Friday. day, 10°; night, 7°; rain

6 December, sat

	760 mmHg		81%
	8.8 m/s		+12

6 December, Saturday. day, 10°; night, 7°; overcast

7 December, sun

	758 mmHg		82%
	9.39 m/s		+11

7 December, Sunday. day, 10°; night, 7°; rain

8 December, mon

	758 mmHg		80%
	9.2 m/s		+11

8 December, Monday. day, 9°; night, 7°; rain

9 December, tue

	760 mmHg		81%
	8.89 m/s		+11

9 December, Tuesday. day, 9°; night, 7°; rain

10 December, wed

	760 mmHg		81%
	8.3 m/s		+11

10 December, Wednesday. day, 10°; night, 7°; partly cloudy

11 December, thu

	759 mmHg		84%
	8 m/s		+11

11 December, Thursday. day, 9°; night, 7°; rain

12 December, fri

	759 mmHg		84%
	8.89 m/s		+11

12 December, Friday. day, 9°; night, 7°; overcast

13 December, sat

	758 mmHg		82%
	8.5 m/s		+11

13 December, Saturday. day, 9°; night, 6°; rain

14 December, sun

	759 mmHg		81%
	9 m/s		+11

14 December, Sunday. day, 9°; night, 6°; partly cloudy

15 December, mon

	760 mmHg		80%
	8.39 m/s		+11

15 December, Monday. day, 9°; night, 7°; overcast

16 December, tue

	760 mmHg		82%
	8.3 m/s		+11

16 December, Tuesday. day, 9°; night, 6°; rain

17 December, wed

	760 mmHg		83%
	8.5 m/s		+11

17 December, Wednesday. day, 9°; night, 6°; clear

18 December, thu

	759 mmHg		85%
	8.89 m/s		+11

18 December, Thursday. day, 10°; night, 7°; partly cloudy

19 December, fri

	758 mmHg		84%
	8.6 m/s		+11

19 December, Friday. day, 10°; night, 7°; rain

20 December, sat

	759 mmHg		83%
	8.2 m/s		+11

20 December, Saturday. day, 9°; night, 7°; partly cloudy

21 December, sun

	759 mmHg		85%
	8.89 m/s		+11

21 December, Sunday. day, 10°; night, 7°; rain

22 December, mon

	759 mmHg		84%
	9 m/s		+11

22 December, Monday. day, 10°; night, 8°; overcast

23 December, tue

	759 mmHg		86%
	9.1 m/s		+11

23 December, Tuesday. day, 10°; night, 8°; overcast

24 December, wed

	758 mmHg		85%
	8.89 m/s		+11

24 December, Wednesday. day, 10°; night, 7°; rain

25 December, thu

	758 mmHg		83%
	8.3 m/s		+11

25 December, Thursday. day, 9°; night, 7°; overcast

26 December, fri

	758 mmHg		81%
	9.2 m/s		+10

26 December, Friday. day, 9°; night, 6°; overcast

27 December, sat

	756 mmHg		82%
	9.5 m/s		+10

27 December, Saturday. day, 9°; night, 6°; rain

28 December, sun

	757 mmHg		80%
	9 m/s		+10

28 December, Sunday. day, 8°; night, 6°; rain

29 December, mon

	758 mmHg		82%
	9 m/s		+10

29 December, Monday. day, 9°; night, 6°; rain

30 December, tue

	758 mmHg		85%
	8.8 m/s		+10

30 December, Tuesday. day, 10°; night, 7°; partly cloudy

31 December, wed

	758 mmHg		86%
	8.89 m/s		+10

31 December, Wednesday. day, 9°; night, 6°; rain

1 January, thu

	757 mmHg		84%
	9.5 m/s		+10

1 January, Thursday. day, 9°; night, 6°; rain

2 January, fri

	758 mmHg		81%
	9.8 m/s		+10

2 January, Friday. day, 9°; night, 6°; rain

3 January, sat

	759 mmHg		82%
	9.39 m/s		+10

3 January, Saturday. day, 9°; night, 6°; rain

Average data for 10 years

Saint-Brieuc December

1

sunny day

18

days with precipitation

13

cloudy days

1 sunny day; 18 days with precipitation; 13 cloudy days;

82

%

air humidity

6.7

m/s

WindS

104

mm of precipitation

(13% of annual average)

+11

°C

Water temperature

air humidity 82%; 104 millimeters of precipitation (13% of annual average); Wind southerly 6.7 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

S

SW

S

S

S

S

S

S

SW

S

S

S

SW

SW

SW

SW

S

S

SW

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
Trowbridge
Brest
Looe
Bristol
Plymouth
Nantes
Rouen
Brighton

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.

December in Saint-Brieuc is the rainiest, the windiest, and the cloudiest month of the year. In December, the weather in Saint-Brieuc is typically cold. Average daily high temperature in December is about 9 degrees above zero. On average, Saint-Brieuc has 18 rainy, 7 cloudy, 5 partly cloudy, and 1 sunny day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Saint-Brieuc.

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