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December weather forecast in Cayo Guillermo

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

	762 mmHg		76%
	8.2 m/s		+27

30 November, Sunday. day, 25°; night, 24°; clear

1 December, mon

	763 mmHg		78%
	8.5 m/s		+27

1 December, Monday. day, 25°; night, 24°; rain

2 December, tue

	763 mmHg		77%
	8.39 m/s		+27

2 December, Tuesday. day, 25°; night, 24°; rain

3 December, wed

	763 mmHg		76%
	8.6 m/s		+27

3 December, Wednesday. day, 25°; night, 24°; clear

4 December, thu

	763 mmHg		76%
	8.3 m/s		+27

4 December, Thursday. day, 25°; night, 24°; clear

5 December, fri

	763 mmHg		76%
	8.1 m/s		+27

5 December, Friday. day, 25°; night, 24°; clear

6 December, sat

	763 mmHg		78%
	8.1 m/s		+27

6 December, Saturday. day, 25°; night, 24°; clear

7 December, sun

	763 mmHg		77%
	7.6 m/s		+27

7 December, Sunday. day, 25°; night, 24°; rain

8 December, mon

	763 mmHg		77%
	7.9 m/s		+27

8 December, Monday. day, 25°; night, 24°; partly cloudy

9 December, tue

	763 mmHg		77%
	8.3 m/s		+27

9 December, Tuesday. day, 25°; night, 24°; clear

10 December, wed

	763 mmHg		78%
	8.39 m/s		+27

10 December, Wednesday. day, 25°; night, 24°; clear

11 December, thu

	763 mmHg		79%
	8.3 m/s		+27

11 December, Thursday. day, 25°; night, 24°; clear

12 December, fri

	763 mmHg		78%
	8.6 m/s		+27

12 December, Friday. day, 25°; night, 24°; clear

13 December, sat

	763 mmHg		78%
	8.7 m/s		+26

13 December, Saturday. day, 25°; night, 24°; clear

14 December, sun

	763 mmHg		78%
	8.39 m/s		+27

14 December, Sunday. day, 25°; night, 24°; rain

15 December, mon

	763 mmHg		77%
	8.5 m/s		+27

15 December, Monday. day, 25°; night, 23°; clear

16 December, tue

	763 mmHg		77%
	8.3 m/s		+27

16 December, Tuesday. day, 25°; night, 24°; partly cloudy

17 December, wed

	763 mmHg		76%
	8.3 m/s		+27

17 December, Wednesday. day, 25°; night, 24°; partly cloudy

18 December, thu

	763 mmHg		77%
	8.1 m/s		+27

18 December, Thursday. day, 25°; night, 24°; overcast

19 December, fri

	763 mmHg		78%
	8.1 m/s		+27

19 December, Friday. day, 24°; night, 24°; rain

20 December, sat

	763 mmHg		77%
	8.8 m/s		+27

20 December, Saturday. day, 24°; night, 23°; partly cloudy

21 December, sun

	763 mmHg		76%
	8.5 m/s		+27

21 December, Sunday. day, 24°; night, 23°; rain

22 December, mon

	764 mmHg		76%
	8.8 m/s		+26

22 December, Monday. day, 24°; night, 23°; rain

23 December, tue

	764 mmHg		77%
	8.5 m/s		+26

23 December, Tuesday. day, 24°; night, 23°; rain

24 December, wed

	763 mmHg		78%
	8.39 m/s		+27

24 December, Wednesday. day, 25°; night, 24°; rain

25 December, thu

	763 mmHg		81%
	8.2 m/s		+27

25 December, Thursday. day, 24°; night, 23°; rain

26 December, fri

	763 mmHg		81%
	8.89 m/s		+26

26 December, Friday. day, 24°; night, 23°; rain

27 December, sat

	764 mmHg		76%
	8.39 m/s		+26

27 December, Saturday. day, 24°; night, 23°; overcast

28 December, sun

	764 mmHg		76%
	8.2 m/s		+26

28 December, Sunday. day, 24°; night, 23°; partly cloudy

29 December, mon

	763 mmHg		78%
	8.1 m/s		+26

29 December, Monday. day, 24°; night, 23°; rain

30 December, tue

	764 mmHg		78%
	8.2 m/s		+26

30 December, Tuesday. day, 24°; night, 23°; clear

31 December, wed

	764 mmHg		76%
	8.1 m/s		+26

31 December, Wednesday. day, 24°; night, 23°; clear

1 January, thu

	764 mmHg		77%
	8.1 m/s		+26

1 January, Thursday. day, 24°; night, 23°; clear

2 January, fri

	764 mmHg		78%
	8.39 m/s		+26

2 January, Friday. day, 25°; night, 24°; clear

3 January, sat

	764 mmHg		79%
	8.7 m/s		+26

3 January, Saturday. day, 24°; night, 23°; clear

Average data for 10 years

Cayo Guillermo December

12

sunny days

12

days with precipitation

3

cloudy days

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

77

%

air humidity

6.9

m/s

WindE

50

mm of precipitation

(6% of annual average)

+27

°C

Water temperature

air humidity 77%; 50 millimeters of precipitation (6% of annual average); Wind easterly 6.9 Meters per second; Water temperature +27°

Weather graphs for December

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

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

SE

SE

E

E

E

E

SE

SE

E

E

E

E

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

Varadero
Havana
Miami
Cayo Coco
Nassau
Camagüey
Miami Beach
Sunrise
Key West

Cities with similar weather in December

Dubai
Santo Domingo
Miami
Sharjah
Havana
Ajman
Miami Beach
Puerto Plata
Brisbane

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

In December, the weather in Cayo Guillermo is typically warm. Average daily high temperature in December is about 25 degrees above zero. On average, Cayo Guillermo has 12 rainy, 12 sunny, 5 partly cloudy, and 2 cloudy days in December. The rains are usually light.

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