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December weather forecast in Costa Brava

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

	752 mmHg		78%
	3.5 m/s		+16

30 November, Sunday. day, 14°; night, 5°; clear

1 December, mon

	752 mmHg		77%
	3.9 m/s		+16

1 December, Monday. day, 13°; night, 5°; clear

2 December, tue

	752 mmHg		76%
	3.5 m/s		+15

2 December, Tuesday. day, 13°; night, 5°; overcast

3 December, wed

	753 mmHg		75%
	3.5 m/s		+15

3 December, Wednesday. day, 13°; night, 5°; partly cloudy

4 December, thu

	752 mmHg		76%
	3.9 m/s		+15

4 December, Thursday. day, 13°; night, 5°; rain

5 December, fri

	753 mmHg		78%
	3.7 m/s		+15

5 December, Friday. day, 13°; night, 5°; rain

6 December, sat

	754 mmHg		77%
	3 m/s		+15

6 December, Saturday. day, 14°; night, 5°; partly cloudy

7 December, sun

	754 mmHg		80%
	3.4 m/s		+15

7 December, Sunday. day, 13°; night, 5°; clear

8 December, mon

	754 mmHg		80%
	3.5 m/s		+15

8 December, Monday. day, 13°; night, 5°; rain

9 December, tue

	754 mmHg		77%
	3.5 m/s		+15

9 December, Tuesday. day, 13°; night, 5°; rain

10 December, wed

	755 mmHg		77%
	3.2 m/s		+15

10 December, Wednesday. day, 13°; night, 5°; rain

11 December, thu

	755 mmHg		78%
	3 m/s		+15

11 December, Thursday. day, 13°; night, 4°; clear

12 December, fri

	754 mmHg		78%
	3.3 m/s		+15

12 December, Friday. day, 13°; night, 4°; partly cloudy

13 December, sat

	754 mmHg		79%
	3.5 m/s		+15

13 December, Saturday. day, 13°; night, 4°; partly cloudy

14 December, sun

	753 mmHg		78%
	3.9 m/s		+15

14 December, Sunday. day, 12°; night, 4°; rain

15 December, mon

	754 mmHg		78%
	3.8 m/s		+15

15 December, Monday. day, 12°; night, 5°; rain

16 December, tue

	754 mmHg		78%
	3.6 m/s		+14

16 December, Tuesday. day, 12°; night, 4°; clear

17 December, wed

	756 mmHg		79%
	3.1 m/s		+14

17 December, Wednesday. day, 12°; night, 4°; partly cloudy

18 December, thu

	756 mmHg		79%
	3.1 m/s		+14

18 December, Thursday. day, 12°; night, 4°; partly cloudy

19 December, fri

	755 mmHg		79%
	3.5 m/s		+14

19 December, Friday. day, 13°; night, 4°; partly cloudy

20 December, sat

	754 mmHg		77%
	3.8 m/s		+14

20 December, Saturday. day, 12°; night, 5°; partly cloudy

21 December, sun

	755 mmHg		76%
	3.5 m/s		+14

21 December, Sunday. day, 13°; night, 4°; clear

22 December, mon

	756 mmHg		78%
	3.5 m/s		+14

22 December, Monday. day, 13°; night, 5°; partly cloudy

23 December, tue

	755 mmHg		78%
	3.7 m/s		+14

23 December, Tuesday. day, 13°; night, 5°; partly cloudy

24 December, wed

	755 mmHg		78%
	3.5 m/s		+14

24 December, Wednesday. day, 13°; night, 5°; clear

25 December, thu

	754 mmHg		76%
	3.4 m/s		+14

25 December, Thursday. day, 13°; night, 4°; clear

26 December, fri

	754 mmHg		76%
	3.6 m/s		+14

26 December, Friday. day, 13°; night, 4°; clear

27 December, sat

	754 mmHg		76%
	3.9 m/s		+14

27 December, Saturday. day, 12°; night, 4°; clear

28 December, sun

	753 mmHg		75%
	3.7 m/s		+14

28 December, Sunday. day, 12°; night, 4°; clear

29 December, mon

	755 mmHg		75%
	3.4 m/s		+14

29 December, Monday. day, 12°; night, 3°; clear

30 December, tue

	755 mmHg		75%
	3.3 m/s		+14

30 December, Tuesday. day, 13°; night, 4°; clear

31 December, wed

	755 mmHg		77%
	3.4 m/s		+14

31 December, Wednesday. day, 13°; night, 4°; clear

1 January, thu

	754 mmHg		78%
	3.7 m/s		+14

1 January, Thursday. day, 12°; night, 4°; partly cloudy

2 January, fri

	754 mmHg		78%
	3.5 m/s		+14

2 January, Friday. day, 12°; night, 4°; partly cloudy

3 January, sat

	755 mmHg		76%
	3.2 m/s		+14

3 January, Saturday. day, 13°; night, 4°; partly cloudy

Average data for 10 years

Costa Brava December

13

sunny days

7

days with precipitation

5

cloudy days

13 sunny days; 7 days with precipitation; 5 cloudy days;

77

%

air humidity

2.2

m/s

WindSW

49

mm of precipitation

(7% of annual average)

+15

°C

Water temperature

air humidity 77%; 49 millimeters of precipitation (7% of annual average); Wind south-westerly 2.2 Meters per second; Water temperature +15°

Weather graphs for December

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

S

SW

S

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

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

In December, the weather in Costa Brava is typically warm. Average daily high temperature in December is about 13 degrees above zero. On average, Costa Brava has 13 sunny, 10 partly cloudy, 7 rainy, and 1 cloudy day in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Costa Brava.

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