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August weather forecast in Karuizawa

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

	644 mmHg		76%
	2.2 m/s

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

28 July, mon

	643 mmHg		76%
	2 m/s

28 July, Monday. day, 27°; night, 19°; rain

29 July, tue

	643 mmHg		77%
	2.09 m/s

29 July, Tuesday. day, 27°; night, 19°; rain

30 July, wed

	643 mmHg		76%
	1.9 m/s

30 July, Wednesday. day, 27°; night, 19°; clear

31 July, thu

	644 mmHg		75%
	2 m/s

31 July, Thursday. day, 28°; night, 19°; clear

1 August, fri

	644 mmHg		74%
	2 m/s

1 August, Friday. day, 28°; night, 19°; rain

2 August, sat

	645 mmHg		73%
	2 m/s

2 August, Saturday. day, 28°; night, 20°; rain

3 August, sun

	645 mmHg		71%
	2.09 m/s

3 August, Sunday. day, 29°; night, 20°; clear

4 August, mon

	644 mmHg		73%
	2.09 m/s

4 August, Monday. day, 28°; night, 20°; clear

5 August, tue

	644 mmHg		74%
	2.09 m/s

5 August, Tuesday. day, 28°; night, 20°; rain

6 August, wed

	644 mmHg		75%
	2 m/s

6 August, Wednesday. day, 28°; night, 20°; rain

7 August, thu

	643 mmHg		75%
	2.3 m/s

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

8 August, fri

	643 mmHg		74%
	2.3 m/s

8 August, Friday. day, 27°; night, 20°; rain

9 August, sat

	642 mmHg		74%
	2.6 m/s

9 August, Saturday. day, 28°; night, 19°; partly cloudy

10 August, sun

	643 mmHg		73%
	2.4 m/s

10 August, Sunday. day, 28°; night, 20°; partly cloudy

11 August, mon

	643 mmHg		73%
	2.09 m/s

11 August, Monday. day, 28°; night, 20°; partly cloudy

12 August, tue

	643 mmHg		76%
	2 m/s

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

13 August, wed

	643 mmHg		77%
	2.2 m/s

13 August, Wednesday. day, 27°; night, 19°; rain

14 August, thu

	643 mmHg		78%
	2.2 m/s

14 August, Thursday. day, 26°; night, 19°; rain

15 August, fri

	643 mmHg		78%
	2.4 m/s

15 August, Friday. day, 27°; night, 19°; rain

16 August, sat

	643 mmHg		77%
	2.5 m/s

16 August, Saturday. day, 26°; night, 19°; rain

17 August, sun

	643 mmHg		78%
	2.3 m/s

17 August, Sunday. day, 26°; night, 19°; rain

18 August, mon

	644 mmHg		76%
	2 m/s

18 August, Monday. day, 27°; night, 19°; rain

19 August, tue

	644 mmHg		75%
	2.09 m/s

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

20 August, wed

	644 mmHg		76%
	2.2 m/s

20 August, Wednesday. day, 27°; night, 18°; rain

21 August, thu

	644 mmHg		77%
	2.09 m/s

21 August, Thursday. day, 27°; night, 19°; rain

22 August, fri

	644 mmHg		76%
	2.2 m/s

22 August, Friday. day, 27°; night, 19°; rain

23 August, sat

	643 mmHg		77%
	2.2 m/s

23 August, Saturday. day, 26°; night, 19°; rain

24 August, sun

	643 mmHg		77%
	2.3 m/s

24 August, Sunday. day, 26°; night, 18°; partly cloudy

25 August, mon

	644 mmHg		76%
	2.09 m/s

25 August, Monday. day, 26°; night, 18°; partly cloudy

26 August, tue

	644 mmHg		76%
	2.09 m/s

26 August, Tuesday. day, 26°; night, 18°; rain

27 August, wed

	644 mmHg		77%
	2.3 m/s

27 August, Wednesday. day, 25°; night, 18°; rain

28 August, thu

	644 mmHg		78%
	2.3 m/s

28 August, Thursday. day, 25°; night, 18°; rain

29 August, fri

	644 mmHg		77%
	2.09 m/s

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

30 August, sat

	643 mmHg		80%
	2.3 m/s

30 August, Saturday. day, 25°; night, 18°; rain

31 August, sun

	643 mmHg		78%
	2.4 m/s

31 August, Sunday. day, 25°; night, 18°; overcast

1 September, mon

	644 mmHg		79%
	2.3 m/s

1 September, Monday. day, 25°; night, 17°; rain

2 September, tue

	644 mmHg		77%
	2.4 m/s

2 September, Tuesday. day, 25°; night, 17°; rain

3 September, wed

	644 mmHg		78%
	2.5 m/s

3 September, Wednesday. day, 25°; night, 17°; rain

4 September, thu

	644 mmHg		80%
	2.4 m/s

4 September, Thursday. day, 24°; night, 17°; rain

5 September, fri

	644 mmHg		78%
	2.3 m/s

5 September, Friday. day, 24°; night, 17°; rain

6 September, sat

	643 mmHg		80%
	2.5 m/s

6 September, Saturday. day, 24°; night, 17°; rain

Average data for 10 years

Karuizawa August

3

sunny days

22

days with precipitation

12

cloudy days

3 sunny days; 22 days with precipitation; 12 cloudy days;

76

%

air humidity

1.3

m/s

WindS

166

mm of precipitation

(11% of annual average)

air humidity 76%; 166 millimeters of precipitation (11% of annual average); Wind southerly 1.3 Meters per second

Weather graphs for August

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

S

S

S

S

S

SW

S

SW

S

S

S

S

SE

S

S

1

Average data for 10 years

2

3

4

5

6

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9

10

11

12

13

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31

Daytime temperature

Night-time temperature

Cities near you

Tokyo
Osaka
Kyoto
Toyama
Fuji
Hakone
Nagano
Yokohama
Shizuoka

Cities with similar weather in August

Yerevan
Budapest
Ankara
Kishinev
Aktobe
Beltsi
Hévíz
Tsandrypsh
Zagreb

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

August in Karuizawa is the warmest month of the year. In August, the weather in Karuizawa is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Karuizawa has 22 rainy, 5 partly cloudy, 3 sunny, and 1 cloudy day in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Karuizawa.

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