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August weather forecast in Koumac

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

	759 mmHg		72%
	4.8 m/s		+24

27 July, Sunday. day, 24°; night, 19°; partly cloudy

28 July, mon

	759 mmHg		74%
	5.7 m/s		+23

28 July, Monday. day, 23°; night, 19°; rain

29 July, tue

	759 mmHg		74%
	5.5 m/s		+24

29 July, Tuesday. day, 23°; night, 19°; rain

30 July, wed

	759 mmHg		75%
	5.2 m/s		+24

30 July, Wednesday. day, 23°; night, 19°; partly cloudy

31 July, thu

	759 mmHg		74%
	5.8 m/s		+24

31 July, Thursday. day, 23°; night, 19°; clear

1 August, fri

	759 mmHg		73%
	5.6 m/s		+23

1 August, Friday. day, 23°; night, 19°; clear

2 August, sat

	759 mmHg		72%
	5.1 m/s		+24

2 August, Saturday. day, 23°; night, 19°; clear

3 August, sun

	759 mmHg		72%
	5.1 m/s		+24

3 August, Sunday. day, 23°; night, 19°; clear

4 August, mon

	759 mmHg		73%
	4.9 m/s		+24

4 August, Monday. day, 23°; night, 19°; partly cloudy

5 August, tue

	759 mmHg		73%
	5 m/s		+23

5 August, Tuesday. day, 23°; night, 19°; rain

6 August, wed

	759 mmHg		73%
	5 m/s		+24

6 August, Wednesday. day, 23°; night, 19°; rain

7 August, thu

	759 mmHg		74%
	5 m/s		+24

7 August, Thursday. day, 23°; night, 19°; partly cloudy

8 August, fri

	759 mmHg		74%
	4.9 m/s		+23

8 August, Friday. day, 23°; night, 19°; clear

9 August, sat

	759 mmHg		72%
	5.4 m/s		+23

9 August, Saturday. day, 23°; night, 19°; clear

10 August, sun

	760 mmHg		72%
	5.4 m/s		+24

10 August, Sunday. day, 23°; night, 19°; clear

11 August, mon

	760 mmHg		70%
	5.3 m/s		+24

11 August, Monday. day, 23°; night, 19°; clear

12 August, tue

	760 mmHg		70%
	5.2 m/s		+24

12 August, Tuesday. day, 23°; night, 19°; partly cloudy

13 August, wed

	760 mmHg		71%
	5.3 m/s		+23

13 August, Wednesday. day, 23°; night, 18°; clear

14 August, thu

	759 mmHg		71%
	5.4 m/s		+23

14 August, Thursday. day, 23°; night, 18°; clear

15 August, fri

	759 mmHg		71%
	5.6 m/s		+24

15 August, Friday. day, 23°; night, 19°; clear

16 August, sat

	759 mmHg		71%
	5.3 m/s		+24

16 August, Saturday. day, 23°; night, 19°; clear

17 August, sun

	759 mmHg		71%
	4.9 m/s		+24

17 August, Sunday. day, 23°; night, 19°; clear

18 August, mon

	759 mmHg		72%
	4.8 m/s		+24

18 August, Monday. day, 23°; night, 19°; clear

19 August, tue

	759 mmHg		72%
	5 m/s		+24

19 August, Tuesday. day, 23°; night, 19°; clear

20 August, wed

	759 mmHg		70%
	5.3 m/s		+24

20 August, Wednesday. day, 23°; night, 19°; clear

21 August, thu

	759 mmHg		70%
	5.2 m/s		+24

21 August, Thursday. day, 23°; night, 19°; clear

22 August, fri

	760 mmHg		71%
	5.1 m/s		+24

22 August, Friday. day, 23°; night, 19°; partly cloudy

23 August, sat

	760 mmHg		72%
	4.9 m/s		+24

23 August, Saturday. day, 24°; night, 19°; rain

24 August, sun

	759 mmHg		73%
	5.1 m/s		+25

24 August, Sunday. day, 24°; night, 19°; rain

25 August, mon

	759 mmHg		75%
	5.2 m/s		+25

25 August, Monday. day, 24°; night, 19°; rain

26 August, tue

	759 mmHg		74%
	4.9 m/s		+25

26 August, Tuesday. day, 24°; night, 19°; clear

27 August, wed

	759 mmHg		74%
	4.8 m/s		+25

27 August, Wednesday. day, 24°; night, 19°; overcast

28 August, thu

	760 mmHg		75%
	4.9 m/s		+25

28 August, Thursday. day, 24°; night, 19°; overcast

29 August, fri

	759 mmHg		74%
	5.3 m/s		+24

29 August, Friday. day, 24°; night, 19°; partly cloudy

30 August, sat

	759 mmHg		72%
	5.2 m/s		+25

30 August, Saturday. day, 24°; night, 19°; partly cloudy

31 August, sun

	759 mmHg		71%
	5.4 m/s		+24

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

1 September, mon

	759 mmHg		73%
	4.8 m/s		+25

1 September, Monday. day, 24°; night, 19°; partly cloudy

2 September, tue

	759 mmHg		72%
	4.9 m/s		+24

2 September, Tuesday. day, 24°; night, 19°; clear

3 September, wed

	759 mmHg		72%
	5.3 m/s		+25

3 September, Wednesday. day, 24°; night, 19°; partly cloudy

4 September, thu

	759 mmHg		72%
	5 m/s		+25

4 September, Thursday. day, 24°; night, 19°; clear

5 September, fri

	759 mmHg		72%
	4.8 m/s		+25

5 September, Friday. day, 24°; night, 19°; clear

6 September, sat

	759 mmHg		74%
	4.69 m/s		+25

6 September, Saturday. day, 24°; night, 19°; partly cloudy

Average data for 10 years

Koumac August

17

sunny days

5

days with precipitation

3

cloudy days

17 sunny days; 5 days with precipitation; 3 cloudy days;

72

%

air humidity

3.7

m/s

WindSE

61

mm of precipitation

(6% of annual average)

+24

°C

Water temperature

air humidity 72%; 61 millimeters of precipitation (6% of annual average); Wind south-easterly 3.7 Meters per second; Water temperature +24°

Weather graphs for August

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

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SE

SE

SE

SE

1

Average data for 10 years

2

3

4

5

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10

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12

13

14

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31

Daytime temperature

Night-time temperature

Cities near you

Port Vila
Kingston
Bargara
Auki
Honiara
Yandina
Norsup
Noumea
We

Cities with similar weather in August

Lisbon
Porto
Genoa
Santa Cruz de Tenerife
Funchal
Seattle
Las Palmas de Gran Canaria
Playa de las Americas
Montreal

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

August in Koumac is the sunniest month of the year. In August, the weather in Koumac is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Koumac has 17 sunny, 7 partly cloudy, 5 rainy, and 2 cloudy days in August. The rains are usually moderate. August as well as June, July, and September is considered the most comfortable time to visit Koumac.

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