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December weather forecast in São Tomé

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

	758 mmHg		84%
	5.1 m/s		+28

30 November, Sunday. day, 26°; night, 25°; rain

1 December, mon

	758 mmHg		84%
	5.2 m/s		+28

1 December, Monday. day, 26°; night, 25°; rain

2 December, tue

	758 mmHg		83%
	5.1 m/s		+28

2 December, Tuesday. day, 26°; night, 25°; rain

3 December, wed

	758 mmHg		83%
	5 m/s		+28

3 December, Wednesday. day, 26°; night, 25°; rain

4 December, thu

	758 mmHg		82%
	5 m/s		+28

4 December, Thursday. day, 26°; night, 25°; rain

5 December, fri

	758 mmHg		83%
	5.1 m/s		+28

5 December, Friday. day, 26°; night, 25°; rain

6 December, sat

	758 mmHg		83%
	5 m/s		+28

6 December, Saturday. day, 26°; night, 25°; rain

7 December, sun

	758 mmHg		83%
	4.8 m/s		+28

7 December, Sunday. day, 26°; night, 25°; rain

8 December, mon

	758 mmHg		83%
	5 m/s		+28

8 December, Monday. day, 26°; night, 25°; rain

9 December, tue

	758 mmHg		82%
	4.8 m/s		+28

9 December, Tuesday. day, 26°; night, 25°; clear

10 December, wed

	758 mmHg		83%
	5 m/s		+28

10 December, Wednesday. day, 26°; night, 25°; rain

11 December, thu

	758 mmHg		84%
	5.2 m/s		+28

11 December, Thursday. day, 26°; night, 25°; rain

12 December, fri

	758 mmHg		83%
	5.1 m/s		+28

12 December, Friday. day, 26°; night, 25°; rain

13 December, sat

	758 mmHg		83%
	4.69 m/s		+28

13 December, Saturday. day, 26°; night, 25°; rain

14 December, sun

	758 mmHg		83%
	4.69 m/s		+28

14 December, Sunday. day, 26°; night, 25°; rain

15 December, mon

	758 mmHg		83%
	4.69 m/s		+28

15 December, Monday. day, 26°; night, 25°; rain

16 December, tue

	758 mmHg		83%
	4.69 m/s		+28

16 December, Tuesday. day, 27°; night, 25°; rain

17 December, wed

	758 mmHg		83%
	4.5 m/s		+28

17 December, Wednesday. day, 26°; night, 25°; rain

18 December, thu

	758 mmHg		83%
	5.1 m/s		+28

18 December, Thursday. day, 26°; night, 25°; rain

19 December, fri

	758 mmHg		82%
	4.8 m/s		+28

19 December, Friday. day, 27°; night, 25°; partly cloudy

20 December, sat

	758 mmHg		82%
	4.9 m/s		+28

20 December, Saturday. day, 27°; night, 25°; rain

21 December, sun

	758 mmHg		83%
	4.9 m/s		+28

21 December, Sunday. day, 27°; night, 25°; rain

22 December, mon

	758 mmHg		83%
	4.69 m/s		+28

22 December, Monday. day, 27°; night, 25°; rain

23 December, tue

	758 mmHg		83%
	4.9 m/s		+28

23 December, Tuesday. day, 27°; night, 25°; rain

24 December, wed

	758 mmHg		83%
	4.8 m/s		+29

24 December, Wednesday. day, 27°; night, 25°; rain

25 December, thu

	758 mmHg		83%
	4.8 m/s		+28

25 December, Thursday. day, 27°; night, 25°; rain

26 December, fri

	758 mmHg		83%
	5.1 m/s		+28

26 December, Friday. day, 27°; night, 25°; rain

27 December, sat

	758 mmHg		82%
	4.6 m/s		+28

27 December, Saturday. day, 27°; night, 25°; overcast

28 December, sun

	758 mmHg		83%
	4.8 m/s		+28

28 December, Sunday. day, 27°; night, 25°; partly cloudy

29 December, mon

	758 mmHg		83%
	4.9 m/s		+28

29 December, Monday. day, 26°; night, 25°; rain

30 December, tue

	758 mmHg		83%
	5.3 m/s		+29

30 December, Tuesday. day, 27°; night, 25°; rain

31 December, wed

	758 mmHg		83%
	4.69 m/s		+29

31 December, Wednesday. day, 27°; night, 25°; rain

1 January, thu

	758 mmHg		83%
	4.8 m/s		+29

1 January, Thursday. day, 27°; night, 25°; rain

2 January, fri

	758 mmHg		83%
	4.69 m/s		+29

2 January, Friday. day, 27°; night, 25°; rain

3 January, sat

	758 mmHg		82%
	4.4 m/s		+29

3 January, Saturday. day, 27°; night, 25°; rain

Average data for 10 years

São Tomé December

1

sunny day

27

days with precipitation

12

cloudy days

1 sunny day; 27 days with precipitation; 12 cloudy days;

83

%

air humidity

3.5

m/s

WindSW

186

mm of precipitation

(13% of annual average)

+28

°C

Water temperature

air humidity 83%; 186 millimeters of precipitation (13% of annual average); Wind south-westerly 3.5 Meters per second; Water temperature +28°

Weather graphs for December

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

S

S

S

S

S

S

SW

SW

S

S

SW

S

S

S

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

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

Libreville
Malabo
Bata
Calabar
Buguma
Yaoundé
Aba
Douala
Kumba

Cities with similar weather in December

Pattaya
Bangkok
Goa
Male
Singapore
Zanzibar
Denpasar
Victoria
Ko Chang

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

In December, the weather in São Tomé is typically warm. Average daily high temperature in December is about 26 degrees above zero. On average, São Tomé has 27 rainy, 2 partly cloudy, 1 sunny, and 1 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 São Tomé.

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