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Monthly weather forecast in Dehiwala-Mount Lavinia

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

15 December, sun

	751 mmHg		74%
	5.1 m/s		+29

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

16 December, mon

	750 mmHg		74%
	6.4 m/s		+29

16 December, Monday. day, 28°; night, 26°; rain

17 December, tue

	750 mmHg		75%
	7 m/s		+29

17 December, Tuesday. day, 28°; night, 26°; rain

18 December, wed

	751 mmHg		76%
	6.6 m/s		+29

18 December, Wednesday. day, 28°; night, 26°; rain

19 December, thu

	753 mmHg		78%
	4 m/s		+29

Climate normal

19 December, Thursday. day, 31°; night, 26°; light rain

20 December, fri

	753 mmHg		81%
	4 m/s		+29

Climate normal

20 December, Friday. day, 31°; night, 26°; rain

21 December, sat

	752 mmHg		82%
	4.4 m/s		+29

Climate normal

21 December, Saturday. day, 30°; night, 26°; light rain

22 December, sun

	753 mmHg		77%
	4 m/s		+29

Climate normal

22 December, Sunday. day, 31°; night, 25°; light rain

23 December, mon

	757 mmHg		76%
	3.5 m/s		+29

Climate normal

23 December, Monday. day, 31°; night, 25°; light rain

24 December, tue

	757 mmHg		75%
	3.3 m/s		+29

Climate normal

24 December, Tuesday. day, 31°; night, 24°; light rain

25 December, wed

	757 mmHg		73%
	3.4 m/s		+29

Climate normal

25 December, Wednesday. day, 31°; night, 24°; light rain

26 December, thu

	758 mmHg		74%
	4.3 m/s		+29

Climate normal

26 December, Thursday. day, 32°; night, 24°; mostly clear

27 December, fri

	758 mmHg		77%
	2.9 m/s		+29

Climate normal

27 December, Friday. day, 31°; night, 24°; light rain

28 December, sat

	758 mmHg		72%
	3.7 m/s		+28

Climate normal

28 December, Saturday. day, 32°; night, 25°; light rain

29 December, sun

	757 mmHg		70%
	3.8 m/s		+26

Climate normal

29 December, Sunday. day, 32°; night, 26°; partly cloudy

30 December, mon

	757 mmHg		76%
	4.7 m/s		+27

Climate normal

30 December, Monday. day, 31°; night, 26°; partly cloudy

31 December, tue

	756 mmHg		76%
	5.3 m/s		+27

Climate normal

31 December, Tuesday. day, 30°; night, 25°; partly cloudy

1 January, wed

	752 mmHg		69%
	4.6 m/s		+27

Climate normal

1 January, Wednesday. day, 28°; night, 25°; clear

2 January, thu

	752 mmHg		72%
	4.9 m/s		+27

Climate normal

2 January, Thursday. day, 28°; night, 25°; clear

3 January, fri

	751 mmHg		78%
	4.4 m/s		+26

Climate normal

3 January, Friday. day, 27°; night, 25°; clear

4 January, sat

	751 mmHg		81%
	4.5 m/s		+26

Climate normal

4 January, Saturday. day, 27°; night, 25°; light rain

5 January, sun

	751 mmHg		83%
	4.9 m/s		+25

Climate normal

5 January, Sunday. day, 26°; night, 25°; rain

6 January, mon

	751 mmHg		82%
	5.2 m/s		+25

Climate normal

6 January, Monday. day, 26°; night, 25°; rain

7 January, tue

	750 mmHg		71%
	5.6 m/s		+27

Climate normal

7 January, Tuesday. day, 28°; night, 25°; mostly clear

8 January, wed

	750 mmHg		68%
	5.6 m/s		+27

Climate normal

8 January, Wednesday. day, 28°; night, 25°; clear

9 January, thu

	751 mmHg		69%
	5.6 m/s		+27

Climate normal

9 January, Thursday. day, 28°; night, 24°; clear

10 January, fri

	750 mmHg		64%
	5.9 m/s		+26

Climate normal

10 January, Friday. day, 27°; night, 24°; clear

11 January, sat

	750 mmHg		69%
	5.4 m/s		+25

Climate normal

11 January, Saturday. day, 26°; night, 24°; mostly clear

12 January, sun

	750 mmHg		67%
	6.3 m/s		+27

Climate normal

12 January, Sunday. day, 28°; night, 24°; partly cloudy

13 January, mon

	749 mmHg		71%
	5.8 m/s		+27

Climate normal

13 January, Monday. day, 28°; night, 26°; clear

14 January, tue

	750 mmHg		75%
	6.1 m/s		+26

Climate normal

14 January, Tuesday. day, 27°; night, 25°; mostly clear

15 January, wed

	749 mmHg		76%
	5.3 m/s		+26

Climate normal

15 January, Wednesday. day, 27°; night, 25°; mostly clear

16 January, thu

	749 mmHg		69%
	5.9 m/s		+27

Climate normal

16 January, Thursday. day, 28°; night, 25°; mostly clear

17 January, fri

	750 mmHg		65%
	6.7 m/s		+27

Climate normal

17 January, Friday. day, 28°; night, 24°; clear

Average data for 10 years

Next, the average data for 10 years

18 January, sat

	751 mmHg		67%
	5.8 m/s		+28

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

Average for 30 days

17

sunny days

9

days with precipitation

4

cloudy days

17 sunny days; 9 days with precipitation; 4 cloudy days;

74

%

air humidity

4.8

m/s

WindNE

16

mm of precipitation

(1% of annual average)

+27

°C

Water temperature

air humidity 74%; 16 millimeters of precipitation (1% of annual average); Wind north-easterly 4.8 Meters per second; Water temperature +27°

Forecast in graphs

TemperatureWater temperatureHumidity, %Wind, m/sPressure, mmHg

W

SW

W

W

NW

NW

NW

NW

NW

N

N

N

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

N

NE

NE

19

Average data for 10 years

20

21

22

23

24

25

26

27

28

29

30

31

1

January

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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