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December weather forecast in Sri Jayawardenapura Kotte

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		80%
	5.1 m/s		+29

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

1 December, mon

	758 mmHg		81%
	4.6 m/s		+29

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

2 December, tue

	758 mmHg		82%
	4.8 m/s		+29

2 December, Tuesday. day, 29°; night, 25°; rain

3 December, wed

	758 mmHg		82%
	4.8 m/s		+29

3 December, Wednesday. day, 29°; night, 25°; rain

4 December, thu

	758 mmHg		83%
	4.9 m/s		+29

4 December, Thursday. day, 29°; night, 25°; rain

5 December, fri

	758 mmHg		82%
	4.9 m/s		+29

5 December, Friday. day, 29°; night, 25°; rain

6 December, sat

	758 mmHg		81%
	5.5 m/s		+28

6 December, Saturday. day, 29°; night, 25°; rain

7 December, sun

	758 mmHg		81%
	5.4 m/s		+28

7 December, Sunday. day, 29°; night, 25°; rain

8 December, mon

	758 mmHg		81%
	5.3 m/s		+28

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

9 December, tue

	758 mmHg		81%
	5.3 m/s		+28

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

10 December, wed

	758 mmHg		81%
	5 m/s		+28

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

11 December, thu

	758 mmHg		80%
	5.2 m/s		+29

11 December, Thursday. day, 29°; night, 25°; rain

12 December, fri

	758 mmHg		81%
	5.3 m/s		+29

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

13 December, sat

	758 mmHg		81%
	4.8 m/s		+29

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

14 December, sun

	758 mmHg		80%
	5.2 m/s		+29

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

15 December, mon

	758 mmHg		80%
	5.4 m/s		+29

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

16 December, tue

	758 mmHg		80%
	5.7 m/s		+29

16 December, Tuesday. day, 29°; night, 24°; partly cloudy

17 December, wed

	758 mmHg		80%
	5.8 m/s		+29

17 December, Wednesday. day, 29°; night, 25°; overcast

18 December, thu

	758 mmHg		82%
	5.7 m/s		+29

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

19 December, fri

	758 mmHg		81%
	5.7 m/s		+29

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

20 December, sat

	758 mmHg		81%
	5.9 m/s		+29

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

21 December, sun

	758 mmHg		81%
	5.7 m/s		+28

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

22 December, mon

	758 mmHg		80%
	6 m/s		+28

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

23 December, tue

	758 mmHg		79%
	6 m/s		+28

23 December, Tuesday. day, 29°; night, 24°; partly cloudy

24 December, wed

	758 mmHg		79%
	5.6 m/s		+28

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

25 December, thu

	758 mmHg		78%
	5.9 m/s		+28

25 December, Thursday. day, 29°; night, 24°; clear

26 December, fri

	758 mmHg		77%
	6.4 m/s		+28

26 December, Friday. day, 29°; night, 24°; clear

27 December, sat

	758 mmHg		78%
	6.1 m/s		+28

27 December, Saturday. day, 29°; night, 24°; clear

28 December, sun

	758 mmHg		78%
	5.9 m/s		+28

28 December, Sunday. day, 29°; night, 24°; clear

29 December, mon

	758 mmHg		76%
	5.7 m/s		+28

29 December, Monday. day, 29°; night, 24°; clear

30 December, tue

	759 mmHg		77%
	5.6 m/s		+28

30 December, Tuesday. day, 29°; night, 24°; clear

31 December, wed

	758 mmHg		77%
	5.7 m/s		+28

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

1 January, thu

	759 mmHg		77%
	5.7 m/s		+28

1 January, Thursday. day, 29°; night, 24°; partly cloudy

2 January, fri

	759 mmHg		76%
	6.1 m/s		+28

2 January, Friday. day, 29°; night, 24°; partly cloudy

3 January, sat

	759 mmHg		76%
	6.2 m/s		+28

3 January, Saturday. day, 29°; night, 24°; partly cloudy

Average data for 10 years

Sri Jayawardenapura Kotte December

8

sunny days

18

days with precipitation

12

cloudy days

8 sunny days; 18 days with precipitation; 12 cloudy days;

80

%

air humidity

4.1

m/s

WindE

175

mm of precipitation

(8% of annual average)

+28

°C

Water temperature

air humidity 80%; 175 millimeters of precipitation (8% of annual average); Wind easterly 4.1 Meters per second; Water temperature +28°

Weather graphs for December

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

SE

SE

SE

SE

SE

E

E

SE

SE

SE

SE

SE

SE

E

E

E

E

E

E

E

E

E

E

E

E

E

E

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

Unawatuna
Colombo
Hikkaduwa
Bentota
Galle
Tangalle
Pasikudah
Kalutara
Ahungalla

Cities with similar weather in December

Phuket
Pattaya
Bangkok
Goa
Male
Samui
Singapore
Zanzibar
Denpasar

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

In December, the weather in Sri Jayawardenapura Kotte is typically hot. Average daily high temperature in December is about 29 degrees above zero. On average, Sri Jayawardenapura Kotte has 18 rainy, 8 sunny, 3 cloudy, and 2 partly cloudy days in December. The rains are usually heavy. December as well as March, April, May, and June is considered the most uncomfortable time to visit Sri Jayawardenapura Kotte.

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