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August weather forecast in Sendai

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

	715 mmHg		80%
	3.3 m/s		+24

27 July, Sunday. day, 28°; night, 21°; clear

28 July, mon

	714 mmHg		83%
	2.9 m/s		+24

28 July, Monday. day, 28°; night, 21°; partly cloudy

29 July, tue

	714 mmHg		84%
	2.8 m/s		+24

29 July, Tuesday. day, 27°; night, 21°; rain

30 July, wed

	715 mmHg		82%
	2.7 m/s		+24

30 July, Wednesday. day, 28°; night, 21°; clear

31 July, thu

	715 mmHg		80%
	2.8 m/s		+24

31 July, Thursday. day, 29°; night, 21°; clear

1 August, fri

	715 mmHg		81%
	2.8 m/s		+24

1 August, Friday. day, 28°; night, 21°; partly cloudy

2 August, sat

	715 mmHg		81%
	2.6 m/s		+24

2 August, Saturday. day, 28°; night, 21°; partly cloudy

3 August, sun

	715 mmHg		81%
	2.5 m/s		+24

3 August, Sunday. day, 29°; night, 22°; partly cloudy

4 August, mon

	715 mmHg		80%
	2.7 m/s		+25

4 August, Monday. day, 29°; night, 22°; rain

5 August, tue

	715 mmHg		80%
	2.9 m/s		+25

5 August, Tuesday. day, 30°; night, 22°; partly cloudy

6 August, wed

	715 mmHg		81%
	2.8 m/s		+26

6 August, Wednesday. day, 29°; night, 22°; clear

7 August, thu

	715 mmHg		81%
	2.9 m/s		+25

7 August, Thursday. day, 29°; night, 21°; rain

8 August, fri

	714 mmHg		84%
	2.9 m/s		+25

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

9 August, sat

	713 mmHg		83%
	3.4 m/s		+25

9 August, Saturday. day, 28°; night, 22°; rain

10 August, sun

	713 mmHg		81%
	3.6 m/s		+25

10 August, Sunday. day, 28°; night, 22°; rain

11 August, mon

	714 mmHg		81%
	2.8 m/s		+25

11 August, Monday. day, 28°; night, 21°; rain

12 August, tue

	714 mmHg		85%
	2.8 m/s		+25

12 August, Tuesday. day, 27°; night, 21°; rain

13 August, wed

	714 mmHg		83%
	2.9 m/s		+25

13 August, Wednesday. day, 27°; night, 21°; overcast

14 August, thu

	714 mmHg		84%
	2.9 m/s		+25

14 August, Thursday. day, 27°; night, 21°; rain

15 August, fri

	714 mmHg		84%
	3.5 m/s		+25

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

16 August, sat

	714 mmHg		83%
	3.9 m/s		+25

16 August, Saturday. day, 27°; night, 21°; rain

17 August, sun

	715 mmHg		84%
	3.3 m/s		+25

17 August, Sunday. day, 26°; night, 21°; rain

18 August, mon

	716 mmHg		83%
	2.9 m/s		+25

18 August, Monday. day, 27°; night, 21°; rain

19 August, tue

	716 mmHg		83%
	3.1 m/s		+25

19 August, Tuesday. day, 27°; night, 21°; partly cloudy

20 August, wed

	715 mmHg		83%
	3.1 m/s		+25

20 August, Wednesday. day, 27°; night, 21°; rain

21 August, thu

	715 mmHg		83%
	2.9 m/s		+25

21 August, Thursday. day, 27°; night, 21°; overcast

22 August, fri

	715 mmHg		83%
	2.9 m/s		+24

22 August, Friday. day, 27°; night, 21°; rain

23 August, sat

	715 mmHg		81%
	3.2 m/s		+25

23 August, Saturday. day, 28°; night, 21°; rain

24 August, sun

	715 mmHg		81%
	3.3 m/s		+25

24 August, Sunday. day, 27°; night, 20°; clear

25 August, mon

	715 mmHg		81%
	3 m/s		+24

25 August, Monday. day, 27°; night, 20°; partly cloudy

26 August, tue

	716 mmHg		83%
	3.1 m/s		+24

26 August, Tuesday. day, 26°; night, 20°; rain

27 August, wed

	716 mmHg		84%
	2.9 m/s		+25

27 August, Wednesday. day, 26°; night, 20°; rain

28 August, thu

	715 mmHg		85%
	3.4 m/s		+25

28 August, Thursday. day, 25°; night, 19°; overcast

29 August, fri

	715 mmHg		83%
	3 m/s		+24

29 August, Friday. day, 26°; night, 20°; overcast

30 August, sat

	715 mmHg		87%
	3.2 m/s		+24

30 August, Saturday. day, 25°; night, 20°; rain

31 August, sun

	715 mmHg		85%
	3.1 m/s		+24

31 August, Sunday. day, 25°; night, 19°; rain

1 September, mon

	716 mmHg		83%
	3 m/s		+24

1 September, Monday. day, 26°; night, 20°; overcast

2 September, tue

	716 mmHg		83%
	3.4 m/s		+24

2 September, Tuesday. day, 26°; night, 19°; rain

3 September, wed

	716 mmHg		81%
	3.7 m/s		+24

3 September, Wednesday. day, 26°; night, 19°; rain

4 September, thu

	716 mmHg		83%
	3.5 m/s		+24

4 September, Thursday. day, 25°; night, 19°; overcast

5 September, fri

	716 mmHg		82%
	3 m/s		+24

5 September, Friday. day, 25°; night, 19°; rain

6 September, sat

	715 mmHg		84%
	3.5 m/s		+24

6 September, Saturday. day, 25°; night, 19°; rain

Average data for 10 years

Sendai August

2

sunny days

19

days with precipitation

16

cloudy days

2 sunny days; 19 days with precipitation; 16 cloudy days;

83

%

air humidity

1.8

m/s

WindS

182

mm of precipitation

(13% of annual average)

+25

°C

Water temperature

air humidity 83%; 182 millimeters of precipitation (13% of annual average); Wind southerly 1.8 Meters per second; Water temperature +25°

Weather graphs for August

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

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

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
Aomori
Nagano
Fuji
Akita
Niigata
Kamakura

Cities with similar weather in August

Gagra
Istanbul
Pitsunda
New York
Rimini
Venice
New Athos
Malaga
Alicante

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

August in Sendai is the cloudiest and the warmest month of the year. In August, the weather in Sendai is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Sendai has 19 rainy, 6 partly cloudy, 4 cloudy, and 2 sunny days in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Sendai.

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