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December weather forecast in Santa Maria

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

	766 mmHg		73%
	9.3 m/s		+19

30 November, Sunday. day, 17°; night, 16°; clear

1 December, mon

	767 mmHg		74%
	9.5 m/s		+19

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

2 December, tue

	767 mmHg		75%
	9.39 m/s		+19

2 December, Tuesday. day, 17°; night, 16°; partly cloudy

3 December, wed

	767 mmHg		77%
	9.89 m/s		+19

3 December, Wednesday. day, 18°; night, 17°; partly cloudy

4 December, thu

	766 mmHg		75%
	9.3 m/s		+19

4 December, Thursday. day, 18°; night, 17°; partly cloudy

5 December, fri

	766 mmHg		75%
	9.5 m/s		+19

5 December, Friday. day, 18°; night, 17°; overcast

6 December, sat

	765 mmHg		78%
	9.3 m/s		+19

6 December, Saturday. day, 18°; night, 17°; partly cloudy

7 December, sun

	767 mmHg		78%
	9.7 m/s		+19

7 December, Sunday. day, 18°; night, 16°; partly cloudy

8 December, mon

	768 mmHg		75%
	9.2 m/s		+19

8 December, Monday. day, 17°; night, 17°; clear

9 December, tue

	768 mmHg		76%
	8.8 m/s		+19

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

10 December, wed

	766 mmHg		77%
	9.7 m/s		+19

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

11 December, thu

	765 mmHg		77%
	10.9 m/s		+19

11 December, Thursday. day, 17°; night, 16°; rain

12 December, fri

	764 mmHg		77%
	10.9 m/s		+18

12 December, Friday. day, 17°; night, 16°; rain

13 December, sat

	765 mmHg		76%
	10.9 m/s		+18

13 December, Saturday. day, 17°; night, 16°; partly cloudy

14 December, sun

	764 mmHg		75%
	11.6 m/s		+18

14 December, Sunday. day, 17°; night, 16°; rain

15 December, mon

	764 mmHg		77%
	11.3 m/s		+18

15 December, Monday. day, 17°; night, 16°; rain

16 December, tue

	763 mmHg		77%
	10.8 m/s		+18

16 December, Tuesday. day, 17°; night, 16°; rain

17 December, wed

	763 mmHg		76%
	11.5 m/s		+18

17 December, Wednesday. day, 17°; night, 16°; rain

18 December, thu

	763 mmHg		76%
	12.4 m/s		+18

18 December, Thursday. day, 17°; night, 16°; rain

19 December, fri

	764 mmHg		77%
	11 m/s		+18

19 December, Friday. day, 17°; night, 16°; rain

20 December, sat

	763 mmHg		79%
	11.2 m/s		+18

20 December, Saturday. day, 17°; night, 16°; rain

21 December, sun

	764 mmHg		78%
	11.5 m/s		+18

21 December, Sunday. day, 17°; night, 16°; clear

22 December, mon

	765 mmHg		75%
	10.5 m/s		+18

22 December, Monday. day, 17°; night, 16°; rain

23 December, tue

	765 mmHg		76%
	11.5 m/s		+18

23 December, Tuesday. day, 17°; night, 16°; rain

24 December, wed

	764 mmHg		77%
	11.8 m/s		+18

24 December, Wednesday. day, 17°; night, 16°; rain

25 December, thu

	764 mmHg		76%
	11.4 m/s		+18

25 December, Thursday. day, 16°; night, 16°; rain

26 December, fri

	765 mmHg		76%
	11.6 m/s		+18

26 December, Friday. day, 17°; night, 16°; rain

27 December, sat

	765 mmHg		76%
	11.7 m/s		+18

27 December, Saturday. day, 17°; night, 16°; partly cloudy

28 December, sun

	765 mmHg		76%
	11.3 m/s		+18

28 December, Sunday. day, 17°; night, 16°; overcast

29 December, mon

	765 mmHg		76%
	11.1 m/s		+18

29 December, Monday. day, 17°; night, 16°; overcast

30 December, tue

	765 mmHg		76%
	10.7 m/s		+18

30 December, Tuesday. day, 17°; night, 16°; rain

31 December, wed

	765 mmHg		76%
	10.4 m/s		+18

31 December, Wednesday. day, 17°; night, 16°; partly cloudy

1 January, thu

	766 mmHg		78%
	10.1 m/s		+18

1 January, Thursday. day, 17°; night, 16°; partly cloudy

2 January, fri

	766 mmHg		78%
	10.1 m/s		+18

2 January, Friday. day, 17°; night, 16°; partly cloudy

3 January, sat

	766 mmHg		78%
	10.4 m/s		+18

3 January, Saturday. day, 17°; night, 16°; clear

Average data for 10 years

Santa Maria December

3

sunny days

15

days with precipitation

11

cloudy days

3 sunny days; 15 days with precipitation; 11 cloudy days;

76

%

air humidity

8.3

m/s

WindS

121

mm of precipitation

(16% of annual average)

+18

°C

Water temperature

air humidity 76%; 121 millimeters of precipitation (16% of annual average); Wind southerly 8.3 Meters per second; Water temperature +18°

Weather graphs for December

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

SE

S

S

S

SE

S

S

S

S

S

SW

SW

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

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.

December in Santa Maria is the rainiest, the windiest, and the cloudiest month of the year. In December, the weather in Santa Maria is typically warm. Average daily high temperature in December is about 17 degrees above zero. On average, Santa Maria has 15 rainy, 9 partly cloudy, 4 cloudy, and 3 sunny days in December. The rains are usually heavy. December as well as January, March, October, and November is considered the most uncomfortable time to visit Santa Maria.

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