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August weather forecast in Kailua-Kona

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

	718 mmHg		85%
	3.4 m/s		+27

27 July, Sunday. day, 24°; night, 21°; rain

28 July, mon

	718 mmHg		85%
	3.5 m/s		+27

28 July, Monday. day, 24°; night, 21°; rain

29 July, tue

	718 mmHg		85%
	3.3 m/s		+27

29 July, Tuesday. day, 24°; night, 21°; rain

30 July, wed

	718 mmHg		85%
	3.4 m/s		+27

30 July, Wednesday. day, 24°; night, 22°; rain

31 July, thu

	718 mmHg		85%
	3.6 m/s		+27

31 July, Thursday. day, 24°; night, 22°; rain

1 August, fri

	718 mmHg		85%
	3.6 m/s		+27

1 August, Friday. day, 24°; night, 21°; rain

2 August, sat

	718 mmHg		84%
	3.5 m/s		+27

2 August, Saturday. day, 24°; night, 22°; rain

3 August, sun

	718 mmHg		85%
	3.5 m/s		+27

3 August, Sunday. day, 24°; night, 22°; rain

4 August, mon

	718 mmHg		84%
	3.4 m/s		+27

4 August, Monday. day, 24°; night, 22°; rain

5 August, tue

	718 mmHg		84%
	3.6 m/s		+27

5 August, Tuesday. day, 24°; night, 22°; rain

6 August, wed

	718 mmHg		84%
	3.5 m/s		+27

6 August, Wednesday. day, 24°; night, 22°; rain

7 August, thu

	718 mmHg		85%
	3.4 m/s		+27

7 August, Thursday. day, 25°; night, 22°; rain

8 August, fri

	718 mmHg		85%
	3.6 m/s		+27

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

9 August, sat

	718 mmHg		85%
	3.3 m/s		+27

9 August, Saturday. day, 25°; night, 22°; rain

10 August, sun

	718 mmHg		85%
	3.6 m/s		+27

10 August, Sunday. day, 25°; night, 22°; rain

11 August, mon

	718 mmHg		85%
	3.6 m/s		+27

11 August, Monday. day, 24°; night, 22°; rain

12 August, tue

	718 mmHg		85%
	3.6 m/s		+27

12 August, Tuesday. day, 24°; night, 22°; rain

13 August, wed

	718 mmHg		84%
	3.5 m/s		+27

13 August, Wednesday. day, 24°; night, 22°; rain

14 August, thu

	718 mmHg		84%
	3.3 m/s		+27

14 August, Thursday. day, 24°; night, 22°; rain

15 August, fri

	718 mmHg		85%
	3.1 m/s		+27

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

16 August, sat

	718 mmHg		84%
	3.2 m/s		+27

16 August, Saturday. day, 24°; night, 22°; rain

17 August, sun

	718 mmHg		84%
	3.4 m/s		+27

17 August, Sunday. day, 25°; night, 22°; rain

18 August, mon

	718 mmHg		84%
	3.5 m/s		+27

18 August, Monday. day, 24°; night, 21°; rain

19 August, tue

	718 mmHg		84%
	3.4 m/s		+27

19 August, Tuesday. day, 25°; night, 22°; rain

20 August, wed

	718 mmHg		83%
	3.2 m/s		+27

20 August, Wednesday. day, 25°; night, 22°; rain

21 August, thu

	718 mmHg		84%
	3.1 m/s		+27

21 August, Thursday. day, 25°; night, 22°; rain

22 August, fri

	718 mmHg		83%
	3.1 m/s		+27

22 August, Friday. day, 25°; night, 22°; rain

23 August, sat

	718 mmHg		84%
	3.6 m/s		+27

23 August, Saturday. day, 25°; night, 22°; rain

24 August, sun

	718 mmHg		85%
	3.5 m/s		+27

24 August, Sunday. day, 24°; night, 22°; rain

25 August, mon

	718 mmHg		85%
	3.5 m/s		+27

25 August, Monday. day, 25°; night, 22°; rain

26 August, tue

	717 mmHg		85%
	3.4 m/s		+27

26 August, Tuesday. day, 24°; night, 21°; rain

27 August, wed

	717 mmHg		84%
	3.3 m/s		+27

27 August, Wednesday. day, 24°; night, 21°; rain

28 August, thu

	717 mmHg		84%
	3.3 m/s		+27

28 August, Thursday. day, 24°; night, 21°; rain

29 August, fri

	717 mmHg		84%
	3.3 m/s		+27

29 August, Friday. day, 24°; night, 21°; rain

30 August, sat

	718 mmHg		84%
	3.3 m/s		+27

30 August, Saturday. day, 24°; night, 22°; rain

31 August, sun

	718 mmHg		83%
	3.4 m/s		+27

31 August, Sunday. day, 25°; night, 22°; rain

1 September, mon

	717 mmHg		84%
	3.4 m/s		+27

1 September, Monday. day, 25°; night, 22°; rain

2 September, tue

	717 mmHg		84%
	3.5 m/s		+27

2 September, Tuesday. day, 25°; night, 22°; rain

3 September, wed

	717 mmHg		84%
	3.5 m/s		+27

3 September, Wednesday. day, 24°; night, 21°; rain

4 September, thu

	717 mmHg		83%
	3.4 m/s		+27

4 September, Thursday. day, 24°; night, 21°; rain

5 September, fri

	717 mmHg		83%
	3.5 m/s		+27

5 September, Friday. day, 24°; night, 21°; rain

6 September, sat

	718 mmHg		82%
	3.3 m/s		+27

6 September, Saturday. day, 24°; night, 22°; rain

Average data for 10 years

Kailua-Kona August

0

sunny days

31

days with precipitation

5

cloudy days

0 sunny days; 31 days with precipitation; 5 cloudy days;

84

%

air humidity

1.9

m/s

WindSW

395

mm of precipitation

(13% of annual average)

+27

°C

Water temperature

air humidity 84%; 395 millimeters of precipitation (13% of annual average); Wind south-westerly 1.9 Meters per second; Water temperature +27°

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Honolulu
Koloa
Nuku Hiva
Waikoloa
Hilo
Hana
Wailea
Kihei
Wailuku

Cities with similar weather in August

Rome
Budva
Jerba
Goa
Hammamet
Bodrum
Naples
Majorca
Bar

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

August in Kailua-Kona is the warmest month of the year. In August, the weather in Kailua-Kona is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Kailua-Kona has 31 rainy 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 Kailua-Kona.

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