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August weather forecast in Santiago

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

	711 mmHg		60%
	2.09 m/s

27 July, Sunday. day, 15°; night, 6°; overcast

28 July, mon

	711 mmHg		61%
	2.09 m/s

28 July, Monday. day, 15°; night, 5°; clear

29 July, tue

	710 mmHg		62%
	2.09 m/s

29 July, Tuesday. day, 16°; night, 5°; clear

30 July, wed

	710 mmHg		63%
	2 m/s

30 July, Wednesday. day, 15°; night, 6°; partly cloudy

31 July, thu

	711 mmHg		64%
	2.09 m/s

31 July, Thursday. day, 15°; night, 7°; overcast

1 August, fri

	711 mmHg		67%
	2.09 m/s

1 August, Friday. day, 14°; night, 6°; overcast

2 August, sat

	711 mmHg		67%
	2.09 m/s

2 August, Saturday. day, 15°; night, 6°; clear

3 August, sun

	711 mmHg		65%
	2.09 m/s

3 August, Sunday. day, 15°; night, 6°; clear

4 August, mon

	710 mmHg		65%
	2 m/s

4 August, Monday. day, 15°; night, 5°; partly cloudy

5 August, tue

	711 mmHg		68%
	2.3 m/s

5 August, Tuesday. day, 14°; night, 6°; rain

6 August, wed

	711 mmHg		70%
	2.3 m/s

6 August, Wednesday. day, 14°; night, 6°; rain

7 August, thu

	711 mmHg		65%
	2.3 m/s

7 August, Thursday. day, 15°; night, 5°; clear

8 August, fri

	711 mmHg		62%
	2.2 m/s

8 August, Friday. day, 16°; night, 5°; clear

9 August, sat

	711 mmHg		58%
	2.09 m/s

9 August, Saturday. day, 17°; night, 5°; clear

10 August, sun

	710 mmHg		58%
	2.09 m/s

10 August, Sunday. day, 16°; night, 6°; clear

11 August, mon

	711 mmHg		66%
	2.2 m/s

11 August, Monday. day, 16°; night, 6°; clear

12 August, tue

	711 mmHg		69%
	2.2 m/s

12 August, Tuesday. day, 15°; night, 6°; partly cloudy

13 August, wed

	711 mmHg		66%
	2.2 m/s

13 August, Wednesday. day, 15°; night, 5°; clear

14 August, thu

	711 mmHg		68%
	2.2 m/s

14 August, Thursday. day, 15°; night, 6°; rain

15 August, fri

	710 mmHg		68%
	2.2 m/s

15 August, Friday. day, 15°; night, 6°; rain

16 August, sat

	710 mmHg		69%
	2.2 m/s

16 August, Saturday. day, 15°; night, 6°; rain

17 August, sun

	711 mmHg		69%
	2.2 m/s

17 August, Sunday. day, 15°; night, 6°; partly cloudy

18 August, mon

	711 mmHg		69%
	2.2 m/s

18 August, Monday. day, 15°; night, 6°; partly cloudy

19 August, tue

	711 mmHg		67%
	2.2 m/s

19 August, Tuesday. day, 15°; night, 6°; rain

20 August, wed

	711 mmHg		62%
	2.3 m/s

20 August, Wednesday. day, 17°; night, 5°; clear

21 August, thu

	710 mmHg		62%
	2.3 m/s

21 August, Thursday. day, 17°; night, 6°; clear

22 August, fri

	710 mmHg		66%
	2.3 m/s

22 August, Friday. day, 16°; night, 6°; rain

23 August, sat

	710 mmHg		73%
	2.09 m/s

23 August, Saturday. day, 14°; night, 7°; rain

24 August, sun

	711 mmHg		70%
	2.3 m/s

24 August, Sunday. day, 15°; night, 6°; rain

25 August, mon

	711 mmHg		67%
	2.3 m/s

25 August, Monday. day, 16°; night, 6°; clear

26 August, tue

	711 mmHg		66%
	2.3 m/s

26 August, Tuesday. day, 16°; night, 7°; partly cloudy

27 August, wed

	711 mmHg		66%
	2.2 m/s

27 August, Wednesday. day, 17°; night, 7°; clear

28 August, thu

	711 mmHg		63%
	2.3 m/s

28 August, Thursday. day, 17°; night, 8°; overcast

29 August, fri

	710 mmHg		64%
	2.3 m/s

29 August, Friday. day, 17°; night, 7°; clear

30 August, sat

	710 mmHg		69%
	2.3 m/s

30 August, Saturday. day, 16°; night, 8°; rain

31 August, sun

	710 mmHg		68%
	2.3 m/s

31 August, Sunday. day, 17°; night, 8°; partly cloudy

1 September, mon

	711 mmHg		68%
	2.3 m/s

1 September, Monday. day, 17°; night, 7°; partly cloudy

2 September, tue

	710 mmHg		67%
	2.3 m/s

2 September, Tuesday. day, 16°; night, 7°; partly cloudy

3 September, wed

	711 mmHg		70%
	2.3 m/s

3 September, Wednesday. day, 16°; night, 7°; rain

4 September, thu

	711 mmHg		69%
	2.4 m/s

4 September, Thursday. day, 17°; night, 7°; rain

5 September, fri

	711 mmHg		69%
	2.3 m/s

5 September, Friday. day, 17°; night, 7°; rain

6 September, sat

	711 mmHg		71%
	2.3 m/s

6 September, Saturday. day, 16°; night, 8°; rain

Average data for 10 years

Santiago August

13

sunny days

10

days with precipitation

8

cloudy days

13 sunny days; 10 days with precipitation; 8 cloudy days;

66

%

air humidity

1.3

m/s

WindS

106

mm of precipitation

(17% of annual average)

air humidity 66%; 106 millimeters of precipitation (17% of annual average); Wind southerly 1.3 Meters per second

Weather graphs for August

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

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SE

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SE

S

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SE

SE

SE

S

S

SE

S

SE

S

S

S

S

SE

SE

SE

S

S

S

S

S

SE

SE

S

S

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

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25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Mendoza
Valparaiso
Vina del Mar
Rancagua
La Serena
Concon
San Rafael
Chillan
Las Lenas

Cities with similar weather in August

Cholpon-Ata
Reykyavik
Buenos Aires
Melbourne
Canberra
Wellington
Auckland
Nuuk
Bogota

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

In August, the weather in Santiago is typically warm. Average daily high temperature in August is about 16 degrees above zero. On average, Santiago has 13 sunny, 10 rainy, 6 partly cloudy, and 2 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 Santiago.

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