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August weather forecast in Kumamoto

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

27 July, sun

	741 mmHg		80%
	2.9 m/s		+27

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

28 July, mon

	741 mmHg		76%
	3.5 m/s		+27

28 July, Monday. day, 29°; night, 27°; clear

29 July, tue

	740 mmHg		76%
	3.5 m/s		+28

29 July, Tuesday. day, 29°; night, 27°; rain

30 July, wed

	740 mmHg		76%
	3.5 m/s		+27

30 July, Wednesday. day, 30°; night, 27°; clear

31 July, thu

	740 mmHg		76%
	3.2 m/s		+27

31 July, Thursday. day, 29°; night, 27°; clear

1 August, fri

	740 mmHg		75%
	3.5 m/s		+28

1 August, Friday. day, 30°; night, 27°; rain

2 August, sat

	740 mmHg		75%
	3.9 m/s		+28

2 August, Saturday. day, 30°; night, 27°; rain

3 August, sun

	739 mmHg		75%
	3.9 m/s		+28

3 August, Sunday. day, 30°; night, 27°; clear

4 August, mon

	739 mmHg		75%
	4.5 m/s		+28

4 August, Monday. day, 30°; night, 26°; clear

5 August, tue

	739 mmHg		77%
	3.7 m/s		+28

5 August, Tuesday. day, 29°; night, 27°; rain

6 August, wed

	739 mmHg		73%
	4.4 m/s		+28

6 August, Wednesday. day, 30°; night, 27°; clear

7 August, thu

	739 mmHg		70%
	3.7 m/s		+29

7 August, Thursday. day, 31°; night, 27°; rain

8 August, fri

	739 mmHg		73%
	4 m/s		+29

8 August, Friday. day, 30°; night, 27°; rain

9 August, sat

	738 mmHg		77%
	4.5 m/s		+28

9 August, Saturday. day, 29°; night, 27°; clear

10 August, sun

	738 mmHg		75%
	4.5 m/s		+28

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

11 August, mon

	739 mmHg		72%
	4.5 m/s		+28

11 August, Monday. day, 30°; night, 27°; rain

12 August, tue

	739 mmHg		76%
	4.5 m/s		+28

12 August, Tuesday. day, 29°; night, 27°; rain

13 August, wed

	739 mmHg		79%
	4 m/s		+28

13 August, Wednesday. day, 29°; night, 27°; clear

14 August, thu

	740 mmHg		80%
	3.4 m/s		+28

14 August, Thursday. day, 28°; night, 26°; rain

15 August, fri

	740 mmHg		81%
	4 m/s		+28

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

16 August, sat

	739 mmHg		79%
	3.7 m/s		+28

16 August, Saturday. day, 29°; night, 26°; rain

17 August, sun

	740 mmHg		77%
	3.5 m/s		+28

17 August, Sunday. day, 29°; night, 27°; rain

18 August, mon

	741 mmHg		77%
	3.5 m/s		+29

18 August, Monday. day, 29°; night, 26°; rain

19 August, tue

	742 mmHg		76%
	3.5 m/s		+29

19 August, Tuesday. day, 30°; night, 27°; rain

20 August, wed

	742 mmHg		75%
	3.7 m/s		+29

20 August, Wednesday. day, 30°; night, 27°; rain

21 August, thu

	740 mmHg		75%
	4 m/s		+29

21 August, Thursday. day, 29°; night, 26°; clear

22 August, fri

	741 mmHg		75%
	3.4 m/s		+29

22 August, Friday. day, 29°; night, 26°; rain

23 August, sat

	741 mmHg		75%
	3.7 m/s		+28

23 August, Saturday. day, 29°; night, 26°; rain

24 August, sun

	740 mmHg		75%
	4.4 m/s		+28

24 August, Sunday. day, 29°; night, 26°; clear

25 August, mon

	739 mmHg		76%
	5.4 m/s		+28

25 August, Monday. day, 29°; night, 25°; rain

26 August, tue

	740 mmHg		76%
	3.5 m/s		+28

26 August, Tuesday. day, 29°; night, 25°; rain

27 August, wed

	741 mmHg		73%
	3.7 m/s		+28

27 August, Wednesday. day, 29°; night, 26°; clear

28 August, thu

	741 mmHg		73%
	4.4 m/s		+28

28 August, Thursday. day, 29°; night, 25°; partly cloudy

29 August, fri

	740 mmHg		77%
	4.5 m/s		+28

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

30 August, sat

	739 mmHg		81%
	3.7 m/s		+28

30 August, Saturday. day, 27°; night, 24°; rain

31 August, sun

	738 mmHg		79%
	5 m/s		+28

31 August, Sunday. day, 27°; night, 24°; rain

1 September, mon

	740 mmHg		75%
	4.8 m/s		+28

1 September, Monday. day, 28°; night, 24°; clear

2 September, tue

	740 mmHg		75%
	3.9 m/s		+27

2 September, Tuesday. day, 27°; night, 24°; rain

3 September, wed

	740 mmHg		79%
	4.4 m/s		+28

3 September, Wednesday. day, 27°; night, 24°; rain

4 September, thu

	740 mmHg		80%
	4.6 m/s		+27

4 September, Thursday. day, 26°; night, 24°; rain

5 September, fri

	741 mmHg		77%
	4.3 m/s		+27

5 September, Friday. day, 27°; night, 24°; clear

6 September, sat

	741 mmHg		77%
	4 m/s		+27

6 September, Saturday. day, 28°; night, 25°; rain

Average data for 10 years

Kumamoto August

9

sunny days

21

days with precipitation

1

cloudy day

9 sunny days; 21 days with precipitation; 1 cloudy day;

75

%

air humidity

2.7

m/s

WindS

176

mm of precipitation

(14% of annual average)

+28

°C

Water temperature

air humidity 75%; 176 millimeters of precipitation (14% of annual average); Wind southerly 2.7 Meters per second; Water temperature +28°

Weather graphs for August

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

S

E

SE

SE

E

E

SE

SE

SE

SW

SW

SW

SW

S

SW

SW

S

S

S

S

S

S

S

S

S

SE

E

E

SE

SE

SE

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

Busan
Fukuoka
Hiroshima
Nagasaki
Daegu
Miyazaki
Kagoshima
Ulsan
Okayama

Cities with similar weather in August

Phuket
Tunis
Rhodes
Santo Domingo
Tokyo
Aqaba
Varadero
Eylat
Sousse

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

August in Kumamoto is the hottest month of the year. In August, the weather in Kumamoto is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Kumamoto has 22 rainy, 8 sunny, and 1 partly cloudy day in August. The rains are usually heavy. August as well as June and July is considered the most uncomfortable time to visit Kumamoto.

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