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August weather forecast in Niigata

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		82%
	5.2 m/s		+27

27 July, Sunday. day, 28°; night, 24°; clear

28 July, mon

	757 mmHg		83%
	4.6 m/s		+27

28 July, Monday. day, 27°; night, 24°; partly cloudy

29 July, tue

	756 mmHg		83%
	4.6 m/s		+27

29 July, Tuesday. day, 28°; night, 24°; clear

30 July, wed

	757 mmHg		82%
	4.19 m/s		+28

30 July, Wednesday. day, 28°; night, 25°; clear

31 July, thu

	757 mmHg		82%
	4.5 m/s		+28

31 July, Thursday. day, 28°; night, 25°; clear

1 August, fri

	757 mmHg		84%
	4.19 m/s		+28

1 August, Friday. day, 28°; night, 25°; partly cloudy

2 August, sat

	758 mmHg		83%
	4.1 m/s		+28

2 August, Saturday. day, 29°; night, 25°; partly cloudy

3 August, sun

	758 mmHg		82%
	4.6 m/s		+29

3 August, Sunday. day, 29°; night, 25°; clear

4 August, mon

	757 mmHg		82%
	4.9 m/s		+29

4 August, Monday. day, 28°; night, 25°; clear

5 August, tue

	757 mmHg		82%
	5 m/s		+29

5 August, Tuesday. day, 29°; night, 25°; clear

6 August, wed

	757 mmHg		82%
	5.2 m/s		+29

6 August, Wednesday. day, 29°; night, 25°; clear

7 August, thu

	756 mmHg		80%
	5.1 m/s		+29

7 August, Thursday. day, 29°; night, 25°; clear

8 August, fri

	756 mmHg		80%
	5.2 m/s		+28

8 August, Friday. day, 29°; night, 25°; overcast

9 August, sat

	755 mmHg		80%
	6 m/s		+28

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

10 August, sun

	756 mmHg		80%
	5.4 m/s		+28

10 August, Sunday. day, 28°; night, 25°; rain

11 August, mon

	756 mmHg		80%
	5.1 m/s		+28

11 August, Monday. day, 28°; night, 25°; partly cloudy

12 August, tue

	756 mmHg		81%
	4.69 m/s		+28

12 August, Tuesday. day, 28°; night, 25°; rain

13 August, wed

	756 mmHg		81%
	4.8 m/s		+28

13 August, Wednesday. day, 28°; night, 25°; rain

14 August, thu

	756 mmHg		80%
	5.3 m/s		+28

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

15 August, fri

	756 mmHg		79%
	6 m/s		+28

15 August, Friday. day, 28°; night, 25°; partly cloudy

16 August, sat

	756 mmHg		81%
	6.5 m/s		+28

16 August, Saturday. day, 28°; night, 25°; rain

17 August, sun

	757 mmHg		82%
	5.3 m/s		+28

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

18 August, mon

	758 mmHg		81%
	5.2 m/s		+28

18 August, Monday. day, 28°; night, 24°; clear

19 August, tue

	758 mmHg		80%
	5 m/s		+28

19 August, Tuesday. day, 28°; night, 25°; clear

20 August, wed

	758 mmHg		80%
	5.2 m/s		+28

20 August, Wednesday. day, 28°; night, 24°; partly cloudy

21 August, thu

	757 mmHg		80%
	4.8 m/s		+28

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

22 August, fri

	757 mmHg		80%
	5.4 m/s		+28

22 August, Friday. day, 28°; night, 24°; rain

23 August, sat

	757 mmHg		79%
	5.5 m/s		+28

23 August, Saturday. day, 28°; night, 24°; rain

24 August, sun

	758 mmHg		78%
	5.4 m/s		+28

24 August, Sunday. day, 28°; night, 24°; partly cloudy

25 August, mon

	758 mmHg		79%
	4.9 m/s		+27

25 August, Monday. day, 27°; night, 24°; partly cloudy

26 August, tue

	758 mmHg		78%
	5.4 m/s		+27

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

27 August, wed

	758 mmHg		78%
	5.5 m/s		+28

27 August, Wednesday. day, 27°; night, 24°; rain

28 August, thu

	758 mmHg		79%
	5.9 m/s		+28

28 August, Thursday. day, 27°; night, 24°; rain

29 August, fri

	758 mmHg		79%
	5.1 m/s		+27

29 August, Friday. day, 27°; night, 24°; rain

30 August, sat

	757 mmHg		80%
	6.1 m/s		+27

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

31 August, sun

	757 mmHg		79%
	5.5 m/s		+28

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

1 September, mon

	758 mmHg		77%
	5.3 m/s		+27

1 September, Monday. day, 27°; night, 24°; partly cloudy

2 September, tue

	758 mmHg		77%
	6 m/s		+28

2 September, Tuesday. day, 27°; night, 23°; clear

3 September, wed

	759 mmHg		77%
	5.9 m/s		+27

3 September, Wednesday. day, 27°; night, 23°; rain

4 September, thu

	758 mmHg		77%
	6 m/s		+27

4 September, Thursday. day, 26°; night, 23°; clear

5 September, fri

	758 mmHg		77%
	5.3 m/s		+27

5 September, Friday. day, 27°; night, 23°; overcast

6 September, sat

	757 mmHg		77%
	5.8 m/s		+26

6 September, Saturday. day, 26°; night, 23°; rain

Average data for 10 years

Niigata August

7

sunny days

14

days with precipitation

9

cloudy days

7 sunny days; 14 days with precipitation; 9 cloudy days;

80

%

air humidity

3.2

m/s

WindSE

168

mm of precipitation

(9% of annual average)

+28

°C

Water temperature

air humidity 80%; 168 millimeters of precipitation (9% of annual average); Wind south-easterly 3.2 Meters per second; Water temperature +28°

Weather graphs for August

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

S

SE

S

S

SE

SE

SE

SE

S

S

S

S

S

SE

SE

SE

SE

SE

S

S

SE

S

S

S

SE

SE

SE

S

SE

SE

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

Tokyo
Toyama
Hakone
Sendai
Aomori
Nagano
Nagoya
Fuji
Akita

Cities with similar weather in August

Kemer
Baku
Athens
Hammamet
Bodrum
Gudauta
Bar
Aktau
Kerkyra

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

August in Niigata is the warmest month of the year. In August, the weather in Niigata is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Niigata has 14 rainy, 9 partly cloudy, 7 sunny, and 1 cloudy day in August. The rains are usually heavy.

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