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August weather forecast in Harbour Island

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

	764 mmHg		79%
	6.5 m/s		+30

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

28 July, mon

	763 mmHg		79%
	6.3 m/s		+30

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

29 July, tue

	763 mmHg		80%
	6.4 m/s		+30

29 July, Tuesday. day, 28°; night, 27°; partly cloudy

30 July, wed

	763 mmHg		79%
	6.6 m/s		+30

30 July, Wednesday. day, 28°; night, 27°; clear

31 July, thu

	763 mmHg		79%
	6.9 m/s		+30

31 July, Thursday. day, 28°; night, 27°; clear

1 August, fri

	763 mmHg		79%
	7.3 m/s		+30

1 August, Friday. day, 28°; night, 27°; partly cloudy

2 August, sat

	763 mmHg		80%
	7 m/s		+30

2 August, Saturday. day, 28°; night, 27°; rain

3 August, sun

	763 mmHg		80%
	7 m/s		+30

3 August, Sunday. day, 28°; night, 27°; partly cloudy

4 August, mon

	763 mmHg		79%
	6.5 m/s		+30

4 August, Monday. day, 28°; night, 27°; rain

5 August, tue

	763 mmHg		80%
	6.9 m/s		+30

5 August, Tuesday. day, 28°; night, 27°; rain

6 August, wed

	763 mmHg		80%
	6.8 m/s		+30

6 August, Wednesday. day, 28°; night, 27°; clear

7 August, thu

	763 mmHg		80%
	6.5 m/s		+30

7 August, Thursday. day, 28°; night, 27°; clear

8 August, fri

	763 mmHg		79%
	6.4 m/s		+30

8 August, Friday. day, 28°; night, 27°; clear

9 August, sat

	763 mmHg		80%
	6 m/s		+30

9 August, Saturday. day, 28°; night, 27°; rain

10 August, sun

	763 mmHg		79%
	5.9 m/s		+30

10 August, Sunday. day, 28°; night, 27°; clear

11 August, mon

	763 mmHg		79%
	5.7 m/s		+30

11 August, Monday. day, 28°; night, 27°; clear

12 August, tue

	763 mmHg		79%
	6 m/s		+30

12 August, Tuesday. day, 28°; night, 27°; clear

13 August, wed

	763 mmHg		79%
	6 m/s		+30

13 August, Wednesday. day, 28°; night, 27°; clear

14 August, thu

	762 mmHg		79%
	5.9 m/s		+30

14 August, Thursday. day, 28°; night, 27°; clear

15 August, fri

	762 mmHg		80%
	6.1 m/s		+30

15 August, Friday. day, 28°; night, 27°; rain

16 August, sat

	763 mmHg		80%
	6.5 m/s		+30

16 August, Saturday. day, 28°; night, 27°; rain

17 August, sun

	763 mmHg		79%
	6.7 m/s		+30

17 August, Sunday. day, 28°; night, 27°; rain

18 August, mon

	763 mmHg		79%
	6.6 m/s		+30

18 August, Monday. day, 28°; night, 27°; rain

19 August, tue

	762 mmHg		80%
	6.5 m/s		+30

19 August, Tuesday. day, 28°; night, 27°; rain

20 August, wed

	762 mmHg		80%
	6.6 m/s		+30

20 August, Wednesday. day, 28°; night, 27°; clear

21 August, thu

	763 mmHg		81%
	6.6 m/s		+30

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

22 August, fri

	762 mmHg		80%
	6.7 m/s		+30

22 August, Friday. day, 28°; night, 27°; rain

23 August, sat

	762 mmHg		81%
	6.7 m/s		+30

23 August, Saturday. day, 28°; night, 27°; rain

24 August, sun

	761 mmHg		81%
	7.3 m/s		+30

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

25 August, mon

	760 mmHg		81%
	8.1 m/s		+30

25 August, Monday. day, 28°; night, 27°; rain

26 August, tue

	761 mmHg		81%
	7.4 m/s		+30

26 August, Tuesday. day, 28°; night, 27°; rain

27 August, wed

	761 mmHg		81%
	7.3 m/s		+30

27 August, Wednesday. day, 28°; night, 27°; rain

28 August, thu

	761 mmHg		81%
	7.1 m/s		+30

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

29 August, fri

	761 mmHg		81%
	7 m/s		+30

29 August, Friday. day, 28°; night, 27°; rain

30 August, sat

	761 mmHg		81%
	7.1 m/s		+30

30 August, Saturday. day, 28°; night, 27°; rain

31 August, sun

	761 mmHg		80%
	6.5 m/s		+30

31 August, Sunday. day, 28°; night, 27°; partly cloudy

1 September, mon

	761 mmHg		80%
	6.6 m/s		+30

1 September, Monday. day, 28°; night, 27°; clear

2 September, tue

	761 mmHg		80%
	7 m/s		+30

2 September, Tuesday. day, 28°; night, 27°; partly cloudy

3 September, wed

	760 mmHg		80%
	7.4 m/s		+30

3 September, Wednesday. day, 28°; night, 27°; rain

4 September, thu

	760 mmHg		80%
	7.2 m/s		+30

4 September, Thursday. day, 28°; night, 27°; rain

5 September, fri

	761 mmHg		79%
	6.4 m/s		+30

5 September, Friday. day, 28°; night, 27°; partly cloudy

6 September, sat

	761 mmHg		80%
	5.9 m/s		+30

6 September, Saturday. day, 28°; night, 27°; rain

Average data for 10 years

Harbour Island August

9

sunny days

19

days with precipitation

6

cloudy days

9 sunny days; 19 days with precipitation; 6 cloudy days;

80

%

air humidity

5.1

m/s

WindSE

120

mm of precipitation

(12% of annual average)

+30

°C

Water temperature

air humidity 80%; 120 millimeters of precipitation (12% of annual average); Wind south-easterly 5.1 Meters per second; Water temperature +30°

Weather graphs for August

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

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SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

E

SE

SE

SE

E

E

E

SE

SE

SE

SE

SE

SE

SE

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

Miami
Cayo Coco
Cayo Guillermo
Nassau
Miami Beach
Boca Raton
Sunrise
Fort Lauderdale
Hollywood

Cities with similar weather in August

Pattaya
Nha Trang
Marmaris
Varadero
Punta Cana
Samui
Havana
Singapore
Avsallar

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

In August, the weather in Harbour Island is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Harbour Island has 19 rainy, 9 sunny, and 3 partly cloudy days in August. The rains are usually heavy. August as well as June, July, September, and October is considered the most uncomfortable time to visit Harbour Island.

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