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December weather forecast in San Clemente

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

	733 mmHg		54%
	4 m/s		+17

30 November, Sunday. day, 18°; night, 16°; partly cloudy

1 December, mon

	733 mmHg		58%
	3.5 m/s		+18

1 December, Monday. day, 17°; night, 15°; partly cloudy

2 December, tue

	732 mmHg		64%
	4.9 m/s		+17

2 December, Tuesday. day, 16°; night, 14°; partly cloudy

3 December, wed

	733 mmHg		60%
	4 m/s		+17

3 December, Wednesday. day, 16°; night, 14°; partly cloudy

4 December, thu

	734 mmHg		56%
	3.7 m/s		+17

4 December, Thursday. day, 16°; night, 14°; clear

5 December, fri

	735 mmHg		56%
	4 m/s		+17

5 December, Friday. day, 16°; night, 15°; partly cloudy

6 December, sat

	734 mmHg		56%
	5 m/s		+17

6 December, Saturday. day, 17°; night, 15°; rain

7 December, sun

	734 mmHg		56%
	3 m/s		+17

7 December, Sunday. day, 16°; night, 15°; clear

8 December, mon

	734 mmHg		56%
	3.5 m/s		+17

8 December, Monday. day, 16°; night, 15°; clear

9 December, tue

	734 mmHg		56%
	3.2 m/s		+17

9 December, Tuesday. day, 17°; night, 15°; clear

10 December, wed

	734 mmHg		58%
	4.1 m/s		+17

10 December, Wednesday. day, 17°; night, 16°; clear

11 December, thu

	733 mmHg		62%
	5.3 m/s		+17

11 December, Thursday. day, 17°; night, 15°; partly cloudy

12 December, fri

	732 mmHg		66%
	4.3 m/s		+17

12 December, Friday. day, 16°; night, 14°; partly cloudy

13 December, sat

	733 mmHg		68%
	4.4 m/s		+17

13 December, Saturday. day, 15°; night, 13°; partly cloudy

14 December, sun

	733 mmHg		55%
	3.9 m/s		+16

14 December, Sunday. day, 15°; night, 14°; rain

15 December, mon

	732 mmHg		61%
	4.4 m/s		+16

15 December, Monday. day, 15°; night, 14°; clear

16 December, tue

	733 mmHg		60%
	5 m/s		+16

16 December, Tuesday. day, 16°; night, 14°; rain

17 December, wed

	733 mmHg		62%
	3.7 m/s		+16

17 December, Wednesday. day, 15°; night, 13°; partly cloudy

18 December, thu

	733 mmHg		68%
	4.9 m/s		+16

18 December, Thursday. day, 15°; night, 12°; clear

19 December, fri

	734 mmHg		62%
	4.3 m/s		+16

19 December, Friday. day, 15°; night, 13°; clear

20 December, sat

	734 mmHg		60%
	4 m/s		+16

20 December, Saturday. day, 15°; night, 14°; clear

21 December, sun

	733 mmHg		62%
	5.5 m/s		+16

21 December, Sunday. day, 15°; night, 13°; clear

22 December, mon

	734 mmHg		57%
	4.6 m/s		+16

22 December, Monday. day, 16°; night, 14°; partly cloudy

23 December, tue

	734 mmHg		57%
	4.1 m/s		+16

23 December, Tuesday. day, 16°; night, 14°; partly cloudy

24 December, wed

	733 mmHg		58%
	5 m/s		+16

24 December, Wednesday. day, 15°; night, 12°; rain

25 December, thu

	734 mmHg		52%
	4.5 m/s		+16

25 December, Thursday. day, 15°; night, 12°; clear

26 December, fri

	735 mmHg		50%
	4 m/s		+16

26 December, Friday. day, 15°; night, 13°; clear

27 December, sat

	734 mmHg		49%
	3.5 m/s		+16

27 December, Saturday. day, 16°; night, 14°; clear

28 December, sun

	733 mmHg		54%
	3.7 m/s		+16

28 December, Sunday. day, 16°; night, 14°; clear

29 December, mon

	734 mmHg		55%
	3.9 m/s		+16

29 December, Monday. day, 15°; night, 12°; clear

30 December, tue

	734 mmHg		57%
	3.9 m/s		+16

30 December, Tuesday. day, 15°; night, 11°; clear

31 December, wed

	734 mmHg		57%
	3.9 m/s		+16

31 December, Wednesday. day, 15°; night, 11°; clear

1 January, thu

	734 mmHg		51%
	3.2 m/s		+15

1 January, Thursday. day, 15°; night, 13°; partly cloudy

2 January, fri

	734 mmHg		49%
	3.5 m/s		+15

2 January, Friday. day, 15°; night, 13°; clear

3 January, sat

	734 mmHg		57%
	3.7 m/s		+15

3 January, Saturday. day, 16°; night, 14°; partly cloudy

Average data for 10 years

San Clemente December

17

sunny days

4

days with precipitation

10

cloudy days

17 sunny days; 4 days with precipitation; 10 cloudy days;

58

%

air humidity

2.7

m/s

WindE

71

mm of precipitation

(20% of annual average)

+16

°C

Water temperature

air humidity 58%; 71 millimeters of precipitation (20% of annual average); Wind easterly 2.7 Meters per second; Water temperature +16°

Weather graphs for December

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

SE

E

N

NE

NE

W

NW

E

E

SE

S

S

NW

NE

E

E

E

S

S

E

NW

E

S

NW

NE

N

E

E

E

NE

NE

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

Los Angeles
Las Vegas
San Diego
Mexicali
Yuma
Irvine
Beverly Hills
Santa Barbara
Long Beach

Cities with similar weather in December

Alanya
Side
Belek
Larnaca
Paphos
Jerba
Limassol
Rhodes
Aqaba

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

In December, the weather in San Clemente is typically warm. Average daily high temperature in December is about 16 degrees above zero. On average, San Clemente has 17 sunny, 10 partly cloudy, and 4 rainy days in December. The rains are usually moderate.

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