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August weather forecast in Kalutara

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

26 July, sun

	753 mmHg		86%
	3.7 m/s		+28

26 July, Sunday. day, 27°; night, 25°; rain

27 July, mon

	753 mmHg		86%
	3.7 m/s		+28

27 July, Monday. day, 27°; night, 25°; rain

28 July, tue

	753 mmHg		83%
	3.9 m/s		+28

28 July, Tuesday. day, 27°; night, 26°; rain

29 July, wed

	753 mmHg		85%
	3.7 m/s		+28

29 July, Wednesday. day, 27°; night, 26°; rain

30 July, thu

	753 mmHg		83%
	3.7 m/s		+28

30 July, Thursday. day, 27°; night, 26°; rain

31 July, fri

	753 mmHg		85%
	3.5 m/s		+28

31 July, Friday. day, 27°; night, 25°; rain

1 August, sat

	753 mmHg		86%
	4.1 m/s		+28

1 August, Saturday. day, 27°; night, 26°; rain

2 August, sun

	753 mmHg		86%
	3.9 m/s		+28

2 August, Sunday. day, 27°; night, 26°; rain

3 August, mon

	752 mmHg		85%
	4.1 m/s		+28

3 August, Monday. day, 27°; night, 25°; rain

4 August, tue

	752 mmHg		87%
	3.7 m/s		+28

4 August, Tuesday. day, 27°; night, 25°; rain

5 August, wed

	752 mmHg		86%
	4.4 m/s		+28

5 August, Wednesday. day, 27°; night, 26°; rain

6 August, thu

	752 mmHg		86%
	3.9 m/s		+28

6 August, Thursday. day, 27°; night, 26°; rain

7 August, fri

	752 mmHg		86%
	4 m/s		+28

7 August, Friday. day, 27°; night, 26°; rain

8 August, sat

	752 mmHg		87%
	4 m/s		+28

8 August, Saturday. day, 27°; night, 26°; rain

9 August, sun

	752 mmHg		87%
	3.7 m/s		+28

9 August, Sunday. day, 27°; night, 26°; rain

10 August, mon

	752 mmHg		87%
	4.4 m/s		+28

10 August, Monday. day, 27°; night, 25°; rain

11 August, tue

	752 mmHg		86%
	4 m/s		+28

11 August, Tuesday. day, 27°; night, 25°; rain

12 August, wed

	752 mmHg		87%
	3.9 m/s		+28

12 August, Wednesday. day, 27°; night, 25°; rain

13 August, thu

	752 mmHg		86%
	3.5 m/s		+28

13 August, Thursday. day, 27°; night, 26°; rain

14 August, fri

	753 mmHg		87%
	3.7 m/s		+28

14 August, Friday. day, 27°; night, 25°; rain

15 August, sat

	753 mmHg		86%
	4 m/s		+28

15 August, Saturday. day, 27°; night, 26°; clear

16 August, sun

	752 mmHg		85%
	4.8 m/s		+28

16 August, Sunday. day, 27°; night, 25°; rain

17 August, mon

	752 mmHg		86%
	3.9 m/s		+28

17 August, Monday. day, 27°; night, 25°; rain

18 August, tue

	752 mmHg		83%
	4.1 m/s		+28

18 August, Tuesday. day, 27°; night, 26°; rain

19 August, wed

	752 mmHg		85%
	3.7 m/s		+28

19 August, Wednesday. day, 27°; night, 25°; rain

20 August, thu

	752 mmHg		85%
	3.9 m/s		+28

20 August, Thursday. day, 27°; night, 25°; rain

21 August, fri

	752 mmHg		87%
	4 m/s		+28

21 August, Friday. day, 26°; night, 25°; rain

22 August, sat

	752 mmHg		85%
	4 m/s		+28

22 August, Saturday. day, 27°; night, 25°; rain

23 August, sun

	752 mmHg		86%
	4 m/s		+28

23 August, Sunday. day, 27°; night, 25°; rain

24 August, mon

	752 mmHg		85%
	4 m/s		+28

24 August, Monday. day, 27°; night, 26°; rain

25 August, tue

	752 mmHg		85%
	3.7 m/s		+28

25 August, Tuesday. day, 27°; night, 26°; rain

26 August, wed

	752 mmHg		83%
	4.1 m/s		+28

26 August, Wednesday. day, 27°; night, 26°; rain

27 August, thu

	752 mmHg		86%
	4 m/s		+28

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

28 August, fri

	752 mmHg		86%
	3.9 m/s		+28

28 August, Friday. day, 27°; night, 25°; rain

29 August, sat

	752 mmHg		86%
	3.5 m/s		+28

29 August, Saturday. day, 27°; night, 25°; rain

30 August, sun

	752 mmHg		86%
	3.9 m/s		+28

30 August, Sunday. day, 27°; night, 25°; rain

31 August, mon

	752 mmHg		86%
	3.9 m/s		+28

31 August, Monday. day, 27°; night, 25°; rain

1 September, tue

	753 mmHg		85%
	3.5 m/s		+28

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

2 September, wed

	753 mmHg		83%
	3.9 m/s		+28

2 September, Wednesday. day, 27°; night, 26°; rain

3 September, thu

	753 mmHg		83%
	3.5 m/s		+28

3 September, Thursday. day, 27°; night, 25°; rain

4 September, fri

	754 mmHg		86%
	4.4 m/s		+28

4 September, Friday. day, 27°; night, 25°; rain

5 September, sat

	753 mmHg		87%
	3.7 m/s		+28

5 September, Saturday. day, 27°; night, 25°; rain

Average data for 10 years

Kalutara August

1

sunny day

30

days with precipitation

0

cloudy days

1 sunny day; 30 days with precipitation; 0 cloudy days;

86

%

air humidity

2.9

m/s

WindW

511

mm of precipitation

(14% of annual average)

+28

°C

Water temperature

air humidity 86%; 511 millimeters of precipitation (14% of annual average); Wind westerly 2.9 Meters per second; Water temperature +28°

Weather graphs for August

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

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

SW

SW

SW

SW

SW

SW

W

W

W

SW

SW

SW

SW

SW

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
Tangalle
Ahungalla
Trincomalee

Cities with similar weather in August

Tunis
Tel Aviv
Paphos
Limassol
Rhodes
Santo Domingo
Sousse
Hammamet
Male

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

August in Kalutara is the coldest month of the year. In August, the weather in Kalutara is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Kalutara has 30 rainy and 1 sunny day in August. The rains are usually heavy. August as well as March, April, May, and June is considered the most uncomfortable time to visit Kalutara.

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