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August weather forecast in Hachijo Jima

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

	757 mmHg		85%
	8.1 m/s		+28

27 July, Sunday. day, 27°; night, 26°; clear

28 July, mon

	756 mmHg		84%
	8.1 m/s		+28

28 July, Monday. day, 27°; night, 26°; clear

29 July, tue

	756 mmHg		84%
	7.6 m/s		+28

29 July, Tuesday. day, 27°; night, 26°; clear

30 July, wed

	756 mmHg		84%
	7.4 m/s		+28

30 July, Wednesday. day, 27°; night, 26°; clear

31 July, thu

	757 mmHg		83%
	7.1 m/s		+28

31 July, Thursday. day, 27°; night, 26°; clear

1 August, fri

	757 mmHg		84%
	6.8 m/s		+28

1 August, Friday. day, 27°; night, 26°; partly cloudy

2 August, sat

	757 mmHg		84%
	7.2 m/s		+28

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

3 August, sun

	757 mmHg		84%
	6.9 m/s		+28

3 August, Sunday. day, 27°; night, 26°; clear

4 August, mon

	757 mmHg		85%
	7.4 m/s		+28

4 August, Monday. day, 28°; night, 27°; clear

5 August, tue

	757 mmHg		84%
	6.7 m/s		+28

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

6 August, wed

	756 mmHg		83%
	7 m/s		+28

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

7 August, thu

	755 mmHg		82%
	8.2 m/s		+28

7 August, Thursday. day, 28°; night, 27°; overcast

8 August, fri

	755 mmHg		82%
	8.8 m/s		+28

8 August, Friday. day, 28°; night, 27°; overcast

9 August, sat

	755 mmHg		84%
	8.89 m/s		+28

9 August, Saturday. day, 28°; night, 27°; rain

10 August, sun

	756 mmHg		84%
	8.6 m/s		+28

10 August, Sunday. day, 28°; night, 27°; clear

11 August, mon

	756 mmHg		85%
	8.3 m/s		+28

11 August, Monday. day, 28°; night, 27°; rain

12 August, tue

	755 mmHg		85%
	8.1 m/s		+28

12 August, Tuesday. day, 28°; night, 27°; rain

13 August, wed

	755 mmHg		85%
	8.5 m/s		+28

13 August, Wednesday. day, 28°; night, 27°; rain

14 August, thu

	755 mmHg		84%
	9.1 m/s		+28

14 August, Thursday. day, 28°; night, 27°; partly cloudy

15 August, fri

	755 mmHg		84%
	9.5 m/s		+28

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

16 August, sat

	755 mmHg		84%
	9.5 m/s		+28

16 August, Saturday. day, 28°; night, 27°; rain

17 August, sun

	756 mmHg		84%
	8 m/s		+28

17 August, Sunday. day, 28°; night, 27°; partly cloudy

18 August, mon

	757 mmHg		84%
	8.1 m/s		+28

18 August, Monday. day, 28°; night, 27°; rain

19 August, tue

	757 mmHg		83%
	8.39 m/s		+28

19 August, Tuesday. day, 28°; night, 27°; clear

20 August, wed

	757 mmHg		82%
	7.3 m/s		+28

20 August, Wednesday. day, 28°; night, 27°; clear

21 August, thu

	757 mmHg		82%
	7.3 m/s		+28

21 August, Thursday. day, 28°; night, 26°; partly cloudy

22 August, fri

	757 mmHg		82%
	7.8 m/s		+28

22 August, Friday. day, 27°; night, 27°; rain

23 August, sat

	757 mmHg		82%
	7.9 m/s		+28

23 August, Saturday. day, 28°; night, 27°; rain

24 August, sun

	757 mmHg		82%
	8.1 m/s		+28

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

25 August, mon

	757 mmHg		81%
	8 m/s		+28

25 August, Monday. day, 27°; night, 26°; partly cloudy

26 August, tue

	757 mmHg		81%
	7.6 m/s		+28

26 August, Tuesday. day, 27°; night, 26°; clear

27 August, wed

	757 mmHg		80%
	7.8 m/s		+28

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

28 August, thu

	757 mmHg		80%
	7.6 m/s		+28

28 August, Thursday. day, 27°; night, 27°; clear

29 August, fri

	756 mmHg		83%
	7.9 m/s		+28

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

30 August, sat

	756 mmHg		83%
	9 m/s		+28

30 August, Saturday. day, 28°; night, 27°; rain

31 August, sun

	756 mmHg		83%
	8.89 m/s		+28

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

1 September, mon

	757 mmHg		83%
	8.6 m/s		+28

1 September, Monday. day, 27°; night, 26°; rain

2 September, tue

	757 mmHg		81%
	8.8 m/s		+28

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

3 September, wed

	757 mmHg		83%
	9 m/s		+28

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

4 September, thu

	757 mmHg		82%
	8.6 m/s		+28

4 September, Thursday. day, 27°; night, 26°; rain

5 September, fri

	757 mmHg		80%
	8.2 m/s		+28

5 September, Friday. day, 27°; night, 26°; clear

6 September, sat

	756 mmHg		80%
	9.2 m/s		+28

6 September, Saturday. day, 27°; night, 26°; rain

Average data for 10 years

Hachijo Jima August

10

sunny days

14

days with precipitation

7

cloudy days

10 sunny days; 14 days with precipitation; 7 cloudy days;

83

%

air humidity

6.2

m/s

WindS

116

mm of precipitation

(6% of annual average)

+28

°C

Water temperature

air humidity 83%; 116 millimeters of precipitation (6% of annual average); Wind southerly 6.2 Meters per second; Water temperature +28°

Weather graphs for August

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

S

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

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

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

August in Hachijo Jima is the sunniest and the warmest month of the year. In August, the weather in Hachijo Jima is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Hachijo Jima has 14 rainy, 10 sunny, 5 partly cloudy, and 2 cloudy days in August. The rains are usually heavy.

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