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December weather forecast in Morro Bay

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

	745 mmHg		47%
	3.7 m/s		+16

30 November, Sunday. day, 17°; night, 13°; clear

1 December, mon

	744 mmHg		51%
	3 m/s		+16

1 December, Monday. day, 17°; night, 14°; partly cloudy

2 December, tue

	744 mmHg		58%
	4.3 m/s		+15

2 December, Tuesday. day, 15°; night, 12°; partly cloudy

3 December, wed

	746 mmHg		56%
	3.5 m/s		+15

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

4 December, thu

	746 mmHg		55%
	3.9 m/s		+14

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

5 December, fri

	747 mmHg		55%
	3.2 m/s		+15

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

6 December, sat

	746 mmHg		57%
	4 m/s		+15

6 December, Saturday. day, 15°; night, 11°; rain

7 December, sun

	747 mmHg		52%
	3 m/s		+15

7 December, Sunday. day, 15°; night, 11°; partly cloudy

8 December, mon

	747 mmHg		52%
	3.2 m/s		+15

8 December, Monday. day, 16°; night, 11°; clear

9 December, tue

	746 mmHg		60%
	3.4 m/s		+15

9 December, Tuesday. day, 15°; night, 12°; overcast

10 December, wed

	745 mmHg		62%
	4.1 m/s		+15

10 December, Wednesday. day, 15°; night, 12°; partly cloudy

11 December, thu

	744 mmHg		58%
	3.2 m/s		+15

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

12 December, fri

	744 mmHg		64%
	3.4 m/s		+15

12 December, Friday. day, 15°; night, 11°; clear

13 December, sat

	745 mmHg		58%
	3.2 m/s		+14

13 December, Saturday. day, 14°; night, 11°; partly cloudy

14 December, sun

	745 mmHg		62%
	3.7 m/s		+14

14 December, Sunday. day, 13°; night, 11°; clear

15 December, mon

	744 mmHg		64%
	4 m/s		+14

15 December, Monday. day, 14°; night, 11°; partly cloudy

16 December, tue

	744 mmHg		62%
	3.7 m/s		+14

16 December, Tuesday. day, 14°; night, 11°; partly cloudy

17 December, wed

	745 mmHg		66%
	4 m/s		+14

17 December, Wednesday. day, 14°; night, 11°; clear

18 December, thu

	744 mmHg		68%
	3.9 m/s		+14

18 December, Thursday. day, 13°; night, 10°; clear

19 December, fri

	746 mmHg		64%
	3.4 m/s		+14

19 December, Friday. day, 13°; night, 10°; clear

20 December, sat

	746 mmHg		64%
	3.9 m/s		+14

20 December, Saturday. day, 14°; night, 10°; clear

21 December, sun

	745 mmHg		60%
	4.5 m/s		+14

21 December, Sunday. day, 14°; night, 11°; clear

22 December, mon

	746 mmHg		60%
	4.5 m/s		+14

22 December, Monday. day, 14°; night, 10°; clear

23 December, tue

	746 mmHg		60%
	4 m/s		+14

23 December, Tuesday. day, 14°; night, 10°; partly cloudy

24 December, wed

	745 mmHg		56%
	4.4 m/s		+14

24 December, Wednesday. day, 14°; night, 10°; partly cloudy

25 December, thu

	746 mmHg		58%
	4.1 m/s		+13

25 December, Thursday. day, 13°; night, 9°; clear

26 December, fri

	748 mmHg		54%
	3.7 m/s		+14

26 December, Friday. day, 14°; night, 10°; rain

27 December, sat

	747 mmHg		50%
	3.5 m/s		+14

27 December, Saturday. day, 14°; night, 10°; partly cloudy

28 December, sun

	746 mmHg		56%
	4 m/s		+14

28 December, Sunday. day, 15°; night, 10°; clear

29 December, mon

	746 mmHg		56%
	3.5 m/s		+14

29 December, Monday. day, 14°; night, 10°; partly cloudy

30 December, tue

	746 mmHg		56%
	3.5 m/s		+14

30 December, Tuesday. day, 16°; night, 9°; clear

31 December, wed

	746 mmHg		56%
	3.5 m/s		+14

31 December, Wednesday. day, 16°; night, 9°; clear

1 January, thu

	747 mmHg		54%
	3.7 m/s		+14

1 January, Thursday. day, 14°; night, 11°; clear

2 January, fri

	746 mmHg		54%
	3.9 m/s		+14

2 January, Friday. day, 14°; night, 11°; partly cloudy

3 January, sat

	745 mmHg		56%
	3.5 m/s		+14

3 January, Saturday. day, 15°; night, 11°; partly cloudy

Average data for 10 years

Morro Bay December

16

sunny days

3

days with precipitation

12

cloudy days

16 sunny days; 3 days with precipitation; 12 cloudy days;

60

%

air humidity

3.4

m/s

WindN

57

mm of precipitation

(19% of annual average)

+14

°C

Water temperature

air humidity 60%; 57 millimeters of precipitation (19% of annual average); Wind northerly 3.4 Meters per second; Water temperature +14°

Weather graphs for December

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

NE

N

N

NE

N

NW

N

N

NE

S

NW

NW

N

NE

NE

N

NE

NW

N

NE

NW

NW

NW

N

N

N

N

N

N

N

N

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
San Francisco
Sacramento
Oakland
Monterey
San Jose
Irvine
Santa Barbara
Long Beach

Cities with similar weather in December

Antalya
Barcelona
Tunis
Belek
Marmaris
Athens
Lisbon
Heraklion
Sousse

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

December in Morro Bay is the coldest month of the year. In December, the weather in Morro Bay is typically warm. Average daily high temperature in December is about 15 degrees above zero. On average, Morro Bay has 16 sunny, 11 partly cloudy, 3 rainy, and 1 cloudy day in December. The rains are usually light.

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