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December weather forecast in Cayenne

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

	756 mmHg		85%
	4.4 m/s		+28

30 November, Sunday. day, 29°; night, 24°; rain

1 December, mon

	756 mmHg		85%
	4.4 m/s		+28

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

2 December, tue

	756 mmHg		86%
	4.4 m/s		+28

2 December, Tuesday. day, 29°; night, 24°; rain

3 December, wed

	756 mmHg		85%
	4.5 m/s		+28

3 December, Wednesday. day, 29°; night, 24°; clear

4 December, thu

	757 mmHg		85%
	4.4 m/s		+28

4 December, Thursday. day, 29°; night, 24°; rain

5 December, fri

	757 mmHg		86%
	4.4 m/s		+28

5 December, Friday. day, 29°; night, 24°; rain

6 December, sat

	757 mmHg		86%
	4.5 m/s		+28

6 December, Saturday. day, 29°; night, 24°; rain

7 December, sun

	757 mmHg		85%
	4.4 m/s		+28

7 December, Sunday. day, 29°; night, 24°; rain

8 December, mon

	757 mmHg		86%
	4.5 m/s		+28

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

9 December, tue

	757 mmHg		86%
	4.5 m/s		+28

9 December, Tuesday. day, 29°; night, 24°; rain

10 December, wed

	757 mmHg		86%
	4.4 m/s		+28

10 December, Wednesday. day, 29°; night, 24°; rain

11 December, thu

	757 mmHg		87%
	4.5 m/s		+28

11 December, Thursday. day, 29°; night, 24°; rain

12 December, fri

	757 mmHg		87%
	4.69 m/s		+28

12 December, Friday. day, 28°; night, 24°; rain

13 December, sat

	757 mmHg		86%
	4.69 m/s		+28

13 December, Saturday. day, 29°; night, 24°; rain

14 December, sun

	757 mmHg		86%
	4.69 m/s		+28

14 December, Sunday. day, 28°; night, 24°; rain

15 December, mon

	757 mmHg		86%
	4.5 m/s		+28

15 December, Monday. day, 28°; night, 24°; partly cloudy

16 December, tue

	757 mmHg		87%
	4.4 m/s		+28

16 December, Tuesday. day, 28°; night, 24°; rain

17 December, wed

	757 mmHg		87%
	4.69 m/s		+28

17 December, Wednesday. day, 28°; night, 24°; rain

18 December, thu

	757 mmHg		86%
	4.6 m/s		+28

18 December, Thursday. day, 28°; night, 24°; rain

19 December, fri

	757 mmHg		87%
	4.6 m/s		+28

19 December, Friday. day, 28°; night, 24°; rain

20 December, sat

	757 mmHg		88%
	4.6 m/s		+28

20 December, Saturday. day, 28°; night, 24°; rain

21 December, sun

	757 mmHg		88%
	4.69 m/s		+28

21 December, Sunday. day, 28°; night, 24°; rain

22 December, mon

	757 mmHg		89%
	4.69 m/s		+28

22 December, Monday. day, 28°; night, 24°; rain

23 December, tue

	757 mmHg		89%
	4.69 m/s		+28

23 December, Tuesday. day, 28°; night, 24°; rain

24 December, wed

	757 mmHg		88%
	4.8 m/s		+28

24 December, Wednesday. day, 28°; night, 24°; rain

25 December, thu

	757 mmHg		87%
	4.69 m/s		+27

25 December, Thursday. day, 28°; night, 24°; rain

26 December, fri

	757 mmHg		87%
	4.69 m/s		+28

26 December, Friday. day, 28°; night, 24°; rain

27 December, sat

	757 mmHg		87%
	4.69 m/s		+28

27 December, Saturday. day, 28°; night, 24°; rain

28 December, sun

	757 mmHg		87%
	4.9 m/s		+28

28 December, Sunday. day, 28°; night, 24°; rain

29 December, mon

	757 mmHg		86%
	4.8 m/s		+28

29 December, Monday. day, 28°; night, 24°; rain

30 December, tue

	757 mmHg		87%
	4.8 m/s		+28

30 December, Tuesday. day, 28°; night, 24°; rain

31 December, wed

	757 mmHg		87%
	4.9 m/s		+28

31 December, Wednesday. day, 28°; night, 24°; rain

1 January, thu

	757 mmHg		85%
	4.8 m/s		+27

1 January, Thursday. day, 28°; night, 24°; rain

2 January, fri

	757 mmHg		86%
	5 m/s		+27

2 January, Friday. day, 28°; night, 24°; rain

3 January, sat

	757 mmHg		87%
	5.1 m/s		+27

3 January, Saturday. day, 28°; night, 24°; rain

Average data for 10 years

Cayenne December

1

sunny day

29

days with precipitation

13

cloudy days

1 sunny day; 29 days with precipitation; 13 cloudy days;

87

%

air humidity

3.6

m/s

WindE

281

mm of precipitation

(11% of annual average)

+28

°C

Water temperature

air humidity 87%; 281 millimeters of precipitation (11% of annual average); Wind easterly 3.6 Meters per second; Water temperature +28°

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

E

E

E

E

E

E

E

E

NE

NE

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

Macapá
Abaetetuba
Paramaribo
Georgetown
New Amsterdam
Castanhal
Bonito
Santana
Breves

Cities with similar weather in December

Phuket
Pattaya
Bangkok
Male
Samui
Singapore
Zanzibar
Colombo
Phú Quốc

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

In December, the weather in Cayenne is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Cayenne has 29 rainy, 1 sunny, and 1 partly cloudy day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Cayenne.

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