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August weather forecast in Rishiri

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

	755 mmHg		91%
	8 m/s		+19

27 July, Sunday. day, 19°; night, 18°; rain

28 July, mon

	755 mmHg		91%
	7.8 m/s		+19

28 July, Monday. day, 19°; night, 18°; partly cloudy

29 July, tue

	754 mmHg		90%
	9 m/s		+19

29 July, Tuesday. day, 20°; night, 19°; rain

30 July, wed

	754 mmHg		91%
	8.8 m/s		+20

30 July, Wednesday. day, 20°; night, 19°; overcast

31 July, thu

	755 mmHg		91%
	8.39 m/s		+20

31 July, Thursday. day, 20°; night, 19°; rain

1 August, fri

	755 mmHg		89%
	8.5 m/s		+20

1 August, Friday. day, 20°; night, 19°; overcast

2 August, sat

	755 mmHg		89%
	8.39 m/s		+19

2 August, Saturday. day, 20°; night, 19°; rain

3 August, sun

	755 mmHg		90%
	7.8 m/s		+20

3 August, Sunday. day, 20°; night, 19°; rain

4 August, mon

	755 mmHg		89%
	7.4 m/s		+20

4 August, Monday. day, 20°; night, 19°; rain

5 August, tue

	755 mmHg		90%
	7.4 m/s		+20

5 August, Tuesday. day, 20°; night, 19°; partly cloudy

6 August, wed

	755 mmHg		88%
	8.3 m/s		+20

6 August, Wednesday. day, 20°; night, 19°; partly cloudy

7 August, thu

	755 mmHg		88%
	8.2 m/s		+20

7 August, Thursday. day, 20°; night, 19°; overcast

8 August, fri

	755 mmHg		89%
	8.8 m/s		+20

8 August, Friday. day, 20°; night, 19°; rain

9 August, sat

	754 mmHg		88%
	8.7 m/s		+21

9 August, Saturday. day, 20°; night, 19°; partly cloudy

10 August, sun

	755 mmHg		87%
	9.2 m/s		+21

10 August, Sunday. day, 20°; night, 19°; overcast

11 August, mon

	754 mmHg		87%
	8.7 m/s		+21

11 August, Monday. day, 20°; night, 19°; overcast

12 August, tue

	755 mmHg		86%
	7.8 m/s		+21

12 August, Tuesday. day, 20°; night, 19°; clear

13 August, wed

	755 mmHg		86%
	7.1 m/s		+21

13 August, Wednesday. day, 20°; night, 19°; clear

14 August, thu

	756 mmHg		86%
	7.6 m/s		+21

14 August, Thursday. day, 20°; night, 19°; partly cloudy

15 August, fri

	755 mmHg		87%
	8.5 m/s		+21

15 August, Friday. day, 20°; night, 19°; rain

16 August, sat

	755 mmHg		84%
	8.7 m/s		+21

16 August, Saturday. day, 20°; night, 19°; clear

17 August, sun

	756 mmHg		82%
	8.89 m/s		+21

17 August, Sunday. day, 20°; night, 19°; clear

18 August, mon

	757 mmHg		84%
	7.6 m/s		+21

18 August, Monday. day, 20°; night, 19°; partly cloudy

19 August, tue

	757 mmHg		85%
	8.2 m/s		+21

19 August, Tuesday. day, 20°; night, 19°; rain

20 August, wed

	756 mmHg		84%
	8.7 m/s		+21

20 August, Wednesday. day, 20°; night, 20°; overcast

21 August, thu

	755 mmHg		85%
	8.8 m/s		+21

21 August, Thursday. day, 21°; night, 20°; rain

22 August, fri

	755 mmHg		83%
	9 m/s		+21

22 August, Friday. day, 21°; night, 19°; rain

23 August, sat

	755 mmHg		82%
	9.5 m/s		+21

23 August, Saturday. day, 20°; night, 19°; rain

24 August, sun

	756 mmHg		82%
	8.6 m/s		+21

24 August, Sunday. day, 20°; night, 19°; partly cloudy

25 August, mon

	756 mmHg		81%
	8.5 m/s		+21

25 August, Monday. day, 20°; night, 19°; clear

26 August, tue

	757 mmHg		82%
	8.2 m/s		+21

26 August, Tuesday. day, 21°; night, 19°; partly cloudy

27 August, wed

	757 mmHg		83%
	8.39 m/s		+21

27 August, Wednesday. day, 20°; night, 19°; clear

28 August, thu

	757 mmHg		82%
	8.89 m/s		+21

28 August, Thursday. day, 20°; night, 19°; rain

29 August, fri

	757 mmHg		80%
	9.1 m/s		+21

29 August, Friday. day, 20°; night, 19°; partly cloudy

30 August, sat

	756 mmHg		81%
	9.5 m/s		+21

30 August, Saturday. day, 20°; night, 19°; rain

31 August, sun

	756 mmHg		83%
	8.7 m/s		+21

31 August, Sunday. day, 20°; night, 19°; rain

1 September, mon

	757 mmHg		82%
	8.8 m/s		+21

1 September, Monday. day, 20°; night, 19°; clear

2 September, tue

	757 mmHg		79%
	8.89 m/s		+21

2 September, Tuesday. day, 20°; night, 19°; rain

3 September, wed

	757 mmHg		78%
	8.6 m/s		+21

3 September, Wednesday. day, 20°; night, 19°; clear

4 September, thu

	758 mmHg		79%
	9.6 m/s		+21

4 September, Thursday. day, 20°; night, 19°; partly cloudy

5 September, fri

	757 mmHg		79%
	9 m/s		+21

5 September, Friday. day, 20°; night, 19°; rain

6 September, sat

	757 mmHg		78%
	8.6 m/s		+21

6 September, Saturday. day, 20°; night, 19°; partly cloudy

Average data for 10 years

Rishiri August

6

sunny days

12

days with precipitation

12

cloudy days

6 sunny days; 12 days with precipitation; 12 cloudy days;

85

%

air humidity

6.1

m/s

WindS

122

mm of precipitation

(10% of annual average)

+21

°C

Water temperature

air humidity 85%; 122 millimeters of precipitation (10% of annual average); Wind southerly 6.1 Meters per second; Water temperature +21°

Weather graphs for August

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

SE

S

S

S

S

S

S

SE

SE

SE

S

S

S

SE

SE

SE

SE

SE

SE

S

S

S

S

SE

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

Cities near you

Yuzhno-Sakhalinsk
Sapporo
Sovetskaya Gavan
Korsakov
Holmsk
Chekhov
Novosibirskoye
Aniva
Wakkanai

Cities with similar weather in August

Vancouver
Gdansk
Lima
Bruges
San Sebastian
San Jose
Fuerteventura
Rostock
Santander

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

August in Rishiri is the warmest month of the year. In August, the weather in Rishiri is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Rishiri has 12 rainy, 8 partly cloudy, 6 sunny, and 5 cloudy days in August. The rains are usually heavy.

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