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August weather forecast in Key Largo

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

	763 mmHg		78%
	5.2 m/s		+30

27 July, Sunday. day, 29°; night, 27°; overcast

28 July, mon

	763 mmHg		78%
	5 m/s		+30

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

29 July, tue

	763 mmHg		78%
	4.9 m/s		+30

29 July, Tuesday. day, 29°; night, 27°; clear

30 July, wed

	763 mmHg		78%
	5 m/s		+30

30 July, Wednesday. day, 29°; night, 27°; rain

31 July, thu

	763 mmHg		77%
	5.4 m/s		+30

31 July, Thursday. day, 29°; night, 27°; clear

1 August, fri

	762 mmHg		78%
	5.5 m/s		+30

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

2 August, sat

	762 mmHg		78%
	5.2 m/s		+30

2 August, Saturday. day, 29°; night, 27°; rain

3 August, sun

	762 mmHg		80%
	5.4 m/s		+30

3 August, Sunday. day, 29°; night, 27°; rain

4 August, mon

	762 mmHg		80%
	5.2 m/s		+30

4 August, Monday. day, 29°; night, 27°; rain

5 August, tue

	762 mmHg		79%
	5.2 m/s		+30

5 August, Tuesday. day, 29°; night, 27°; clear

6 August, wed

	762 mmHg		79%
	5.1 m/s		+30

6 August, Wednesday. day, 29°; night, 27°; rain

7 August, thu

	762 mmHg		78%
	5.2 m/s		+30

7 August, Thursday. day, 29°; night, 27°; rain

8 August, fri

	762 mmHg		78%
	5.1 m/s		+30

8 August, Friday. day, 29°; night, 27°; partly cloudy

9 August, sat

	762 mmHg		78%
	5.1 m/s		+30

9 August, Saturday. day, 29°; night, 27°; partly cloudy

10 August, sun

	762 mmHg		78%
	4.9 m/s		+30

10 August, Sunday. day, 29°; night, 27°; partly cloudy

11 August, mon

	762 mmHg		78%
	4.6 m/s		+30

11 August, Monday. day, 29°; night, 27°; clear

12 August, tue

	762 mmHg		78%
	4.69 m/s		+30

12 August, Tuesday. day, 29°; night, 27°; clear

13 August, wed

	762 mmHg		77%
	4.9 m/s		+30

13 August, Wednesday. day, 30°; night, 27°; partly cloudy

14 August, thu

	762 mmHg		78%
	4.69 m/s		+30

14 August, Thursday. day, 29°; night, 27°; rain

15 August, fri

	762 mmHg		79%
	4.69 m/s		+30

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

16 August, sat

	762 mmHg		79%
	5 m/s		+30

16 August, Saturday. day, 29°; night, 27°; rain

17 August, sun

	763 mmHg		78%
	5.1 m/s		+30

17 August, Sunday. day, 29°; night, 27°; rain

18 August, mon

	762 mmHg		78%
	5.5 m/s		+30

18 August, Monday. day, 29°; night, 27°; clear

19 August, tue

	762 mmHg		80%
	5.4 m/s		+30

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

20 August, wed

	762 mmHg		79%
	5.4 m/s		+30

20 August, Wednesday. day, 29°; night, 27°; rain

21 August, thu

	762 mmHg		79%
	5.3 m/s		+30

21 August, Thursday. day, 29°; night, 27°; rain

22 August, fri

	762 mmHg		79%
	5 m/s		+30

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

23 August, sat

	761 mmHg		79%
	4.9 m/s		+30

23 August, Saturday. day, 29°; night, 27°; rain

24 August, sun

	761 mmHg		79%
	5.2 m/s		+30

24 August, Sunday. day, 29°; night, 27°; rain

25 August, mon

	761 mmHg		80%
	5.7 m/s		+30

25 August, Monday. day, 29°; night, 27°; rain

26 August, tue

	760 mmHg		80%
	5.7 m/s		+30

26 August, Tuesday. day, 29°; night, 27°; rain

27 August, wed

	760 mmHg		80%
	5.7 m/s		+30

27 August, Wednesday. day, 29°; night, 27°; rain

28 August, thu

	761 mmHg		80%
	5.5 m/s		+30

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

29 August, fri

	761 mmHg		81%
	6 m/s		+30

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

30 August, sat

	761 mmHg		81%
	6 m/s		+30

30 August, Saturday. day, 29°; night, 27°; rain

31 August, sun

	761 mmHg		80%
	5.4 m/s		+30

31 August, Sunday. day, 29°; night, 27°; rain

1 September, mon

	761 mmHg		80%
	5 m/s		+30

1 September, Monday. day, 29°; night, 27°; clear

2 September, tue

	761 mmHg		80%
	5.2 m/s		+30

2 September, Tuesday. day, 29°; night, 27°; overcast

3 September, wed

	761 mmHg		80%
	5.2 m/s		+30

3 September, Wednesday. day, 29°; night, 27°; partly cloudy

4 September, thu

	760 mmHg		79%
	5.2 m/s		+30

4 September, Thursday. day, 29°; night, 27°; rain

5 September, fri

	761 mmHg		80%
	5.3 m/s		+30

5 September, Friday. day, 29°; night, 27°; rain

6 September, sat

	761 mmHg		81%
	5.2 m/s		+30

6 September, Saturday. day, 29°; night, 26°; rain

Average data for 10 years

Key Largo August

4

sunny days

23

days with precipitation

10

cloudy days

4 sunny days; 23 days with precipitation; 10 cloudy days;

79

%

air humidity

3.6

m/s

WindSE

141

mm of precipitation

(15% of annual average)

+30

°C

Water temperature

air humidity 79%; 141 millimeters of precipitation (15% of annual average); Wind south-easterly 3.6 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

1

Average data for 10 years

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3

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31

Daytime temperature

Night-time temperature

Cities near you

Varadero
Havana
Miami
Cayo Coco
Orlando
Tampa
Nassau
St Petersburg
Miami Beach

Cities with similar weather in August

Antalya
Alanya
Side
Belek
Ayia Napa
Larnaca
Hurgada
Protaras
Konakli

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

August in Key Largo is the rainiest and the hottest month of the year. In August, the weather in Key Largo is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Key Largo has 23 rainy, 4 sunny, and 4 partly cloudy days in August. The rains are usually heavy. August as well as June, July, and September is considered the most uncomfortable time to visit Key Largo.

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