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December weather forecast in Mannar

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

29 November, sun

	756 mmHg		82%
	6 m/s		+28

29 November, Sunday. day, 27°; night, 25°; rain

30 November, mon

	756 mmHg		80%
	5 m/s		+29

30 November, Monday. day, 28°; night, 25°; rain

1 December, tue

	756 mmHg		77%
	6 m/s		+28

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

2 December, wed

	756 mmHg		75%
	5.9 m/s		+28

2 December, Wednesday. day, 28°; night, 25°; rain

3 December, thu

	756 mmHg		75%
	6 m/s		+28

3 December, Thursday. day, 28°; night, 25°; clear

4 December, fri

	756 mmHg		77%
	6.1 m/s		+28

4 December, Friday. day, 28°; night, 25°; rain

5 December, sat

	756 mmHg		76%
	6.5 m/s		+28

5 December, Saturday. day, 28°; night, 26°; rain

6 December, sun

	756 mmHg		76%
	7 m/s		+28

6 December, Sunday. day, 28°; night, 26°; rain

7 December, mon

	756 mmHg		77%
	7 m/s		+28

7 December, Monday. day, 28°; night, 25°; rain

8 December, tue

	756 mmHg		77%
	5.5 m/s		+28

8 December, Tuesday. day, 28°; night, 25°; rain

9 December, wed

	756 mmHg		75%
	5.4 m/s		+28

9 December, Wednesday. day, 28°; night, 25°; partly cloudy

10 December, thu

	756 mmHg		77%
	5.5 m/s		+28

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

11 December, fri

	756 mmHg		76%
	5.3 m/s		+28

11 December, Friday. day, 28°; night, 25°; rain

12 December, sat

	756 mmHg		77%
	5.5 m/s		+28

12 December, Saturday. day, 28°; night, 25°; rain

13 December, sun

	757 mmHg		80%
	6.4 m/s		+28

13 December, Sunday. day, 28°; night, 25°; rain

14 December, mon

	757 mmHg		79%
	5.6 m/s		+28

14 December, Monday. day, 28°; night, 25°; rain

15 December, tue

	757 mmHg		75%
	6.5 m/s		+28

15 December, Tuesday. day, 28°; night, 25°; rain

16 December, wed

	757 mmHg		76%
	6.5 m/s		+28

16 December, Wednesday. day, 28°; night, 25°; rain

17 December, thu

	757 mmHg		79%
	7 m/s		+28

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

18 December, fri

	758 mmHg		77%
	7 m/s		+28

18 December, Friday. day, 27°; night, 25°; clear

19 December, sat

	758 mmHg		81%
	6.5 m/s		+28

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

20 December, sun

	757 mmHg		79%
	6.6 m/s		+28

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

21 December, mon

	757 mmHg		74%
	6.5 m/s		+28

21 December, Monday. day, 28°; night, 25°; clear

22 December, tue

	757 mmHg		74%
	6.8 m/s		+28

22 December, Tuesday. day, 28°; night, 25°; overcast

23 December, wed

	757 mmHg		75%
	6.9 m/s		+27

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

24 December, thu

	757 mmHg		74%
	6.8 m/s		+28

24 December, Thursday. day, 27°; night, 24°; rain

25 December, fri

	757 mmHg		76%
	6.9 m/s		+28

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

26 December, sat

	757 mmHg		75%
	7 m/s		+27

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

27 December, sun

	757 mmHg		75%
	6.5 m/s		+27

27 December, Sunday. day, 27°; night, 24°; rain

28 December, mon

	756 mmHg		77%
	6.4 m/s		+28

28 December, Monday. day, 27°; night, 25°; clear

29 December, tue

	756 mmHg		74%
	7 m/s		+28

29 December, Tuesday. day, 28°; night, 25°; partly cloudy

30 December, wed

	757 mmHg		70%
	5.8 m/s		+27

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

31 December, thu

	757 mmHg		70%
	5.8 m/s		+27

31 December, Thursday. day, 28°; night, 24°; partly cloudy

1 January, fri

	757 mmHg		70%
	6.4 m/s		+27

1 January, Friday. day, 28°; night, 24°; partly cloudy

2 January, sat

	758 mmHg		72%
	6.5 m/s		+28

2 January, Saturday. day, 28°; night, 25°; partly cloudy

Average data for 10 years

Mannar December

4

sunny days

23

days with precipitation

4

cloudy days

4 sunny days; 23 days with precipitation; 4 cloudy days;

76

%

air humidity

5.1

m/s

WindNE

135

mm of precipitation

(13% of annual average)

+28

°C

Water temperature

air humidity 76%; 135 millimeters of precipitation (13% of annual average); Wind north-easterly 5.1 Meters per second; Water temperature +28°

Weather graphs for December

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

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

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

Unawatuna
Hikkaduwa
Sri Jayawardenapura Kotte
Colombo
Bentota
Galle
Kalutara
Tangalle
Ahungalla

Cities with similar weather in December

Punta Cana
Phan Thiet
Cancun
Phú Quốc
Boca Chica
Bali
Port Louis
Kingston
Djibouti

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

December in Mannar is the coldest month of the year. In December, the weather in Mannar is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Mannar has 23 rainy, 4 sunny, 3 partly cloudy, and 1 cloudy day in December. The rains are usually heavy. December as well as April, October, and November is considered the most uncomfortable time to visit Mannar.

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