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December weather forecast in Casteldefels

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

	730 mmHg		76%
	4.1 m/s		+16

30 November, Sunday. day, 13°; night, 4°; clear

1 December, mon

	730 mmHg		77%
	3.7 m/s		+16

1 December, Monday. day, 13°; night, 4°; rain

2 December, tue

	730 mmHg		75%
	4.1 m/s		+16

2 December, Tuesday. day, 13°; night, 3°; partly cloudy

3 December, wed

	731 mmHg		75%
	4.1 m/s		+16

3 December, Wednesday. day, 12°; night, 3°; rain

4 December, thu

	731 mmHg		77%
	4.19 m/s		+16

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

5 December, fri

	731 mmHg		77%
	4.19 m/s		+16

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

6 December, sat

	732 mmHg		77%
	3.5 m/s		+16

6 December, Saturday. day, 13°; night, 3°; clear

7 December, sun

	732 mmHg		79%
	4 m/s		+16

7 December, Sunday. day, 13°; night, 3°; clear

8 December, mon

	732 mmHg		77%
	4.4 m/s		+16

8 December, Monday. day, 13°; night, 4°; rain

9 December, tue

	733 mmHg		75%
	4.4 m/s		+16

9 December, Tuesday. day, 12°; night, 4°; partly cloudy

10 December, wed

	733 mmHg		77%
	4.19 m/s		+16

10 December, Wednesday. day, 12°; night, 3°; clear

11 December, thu

	733 mmHg		78%
	3.8 m/s		+16

11 December, Thursday. day, 12°; night, 3°; clear

12 December, fri

	733 mmHg		79%
	3.6 m/s		+15

12 December, Friday. day, 12°; night, 3°; partly cloudy

13 December, sat

	732 mmHg		79%
	3.5 m/s		+15

13 December, Saturday. day, 12°; night, 3°; partly cloudy

14 December, sun

	731 mmHg		78%
	4 m/s		+15

14 December, Sunday. day, 12°; night, 3°; rain

15 December, mon

	732 mmHg		76%
	4.1 m/s		+15

15 December, Monday. day, 12°; night, 3°; rain

16 December, tue

	733 mmHg		76%
	3.9 m/s		+15

16 December, Tuesday. day, 11°; night, 2°; clear

17 December, wed

	734 mmHg		78%
	3.7 m/s		+15

17 December, Wednesday. day, 12°; night, 2°; partly cloudy

18 December, thu

	734 mmHg		79%
	3.3 m/s		+15

18 December, Thursday. day, 11°; night, 3°; partly cloudy

19 December, fri

	733 mmHg		79%
	3.5 m/s		+15

19 December, Friday. day, 12°; night, 3°; overcast

20 December, sat

	733 mmHg		78%
	4.19 m/s		+15

20 December, Saturday. day, 12°; night, 3°; overcast

21 December, sun

	734 mmHg		77%
	4.1 m/s		+15

21 December, Sunday. day, 12°; night, 3°; clear

22 December, mon

	734 mmHg		78%
	4 m/s		+15

22 December, Monday. day, 13°; night, 3°; clear

23 December, tue

	734 mmHg		77%
	3.7 m/s		+15

23 December, Tuesday. day, 13°; night, 3°; overcast

24 December, wed

	733 mmHg		79%
	3.6 m/s		+15

24 December, Wednesday. day, 12°; night, 3°; partly cloudy

25 December, thu

	732 mmHg		75%
	4 m/s		+14

25 December, Thursday. day, 12°; night, 3°; clear

26 December, fri

	732 mmHg		74%
	4.1 m/s		+14

26 December, Friday. day, 12°; night, 2°; clear

27 December, sat

	732 mmHg		74%
	4.4 m/s		+14

27 December, Saturday. day, 11°; night, 2°; clear

28 December, sun

	732 mmHg		74%
	4.4 m/s		+15

28 December, Sunday. day, 11°; night, 2°; clear

29 December, mon

	733 mmHg		73%
	3.8 m/s		+14

29 December, Monday. day, 11°; night, 2°; clear

30 December, tue

	733 mmHg		76%
	3.8 m/s		+14

30 December, Tuesday. day, 12°; night, 2°; clear

31 December, wed

	733 mmHg		77%
	4 m/s		+14

31 December, Wednesday. day, 12°; night, 2°; clear

1 January, thu

	733 mmHg		78%
	3.9 m/s		+14

1 January, Thursday. day, 11°; night, 3°; partly cloudy

2 January, fri

	733 mmHg		74%
	4.4 m/s		+14

2 January, Friday. day, 12°; night, 3°; clear

3 January, sat

	734 mmHg		75%
	3.9 m/s		+14

3 January, Saturday. day, 12°; night, 3°; partly cloudy

Average data for 10 years

Casteldefels December

14

sunny days

6

days with precipitation

5

cloudy days

14 sunny days; 6 days with precipitation; 5 cloudy days;

77

%

air humidity

2.5

m/s

WindW

42

mm of precipitation

(6% of annual average)

+15

°C

Water temperature

air humidity 77%; 42 millimeters of precipitation (6% of annual average); Wind westerly 2.5 Meters per second; Water temperature +15°

Weather graphs for December

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

W

W

W

W

W

W

W

SW

W

W

W

W

W

W

W

W

SW

W

W

W

W

W

W

W

W

W

W

W

W

W

W

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

Barcelona
Valencia
Alicante
Marseilles
Majorca
Tarragona
Andorra la Vella
Salou
Toulouse

Cities with similar weather in December

Antalya
Tunis
Marmaris
Lisbon
Heraklion
Sousse
Hammamet
Nice
Bodrum

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

In December, the weather in Casteldefels is typically warm. Average daily high temperature in December is about 12 degrees above zero. On average, Casteldefels has 14 sunny, 8 partly cloudy, 6 rainy, and 3 cloudy days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Casteldefels.

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