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August weather forecast in Viana do Castelo

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

28 July, sun

	758 mmHg		66%
	4.5 m/s		+19

28 July, Sunday. day, 23°; night, 19°; clear

29 July, mon

	757 mmHg		62%
	4.6 m/s		+19

29 July, Monday. day, 23°; night, 19°; clear

30 July, tue

	756 mmHg		68%
	4.8 m/s		+19

30 July, Tuesday. day, 22°; night, 18°; clear

31 July, wed

	756 mmHg		73%
	5.1 m/s		+19

31 July, Wednesday. day, 21°; night, 18°; clear

1 August, thu

	758 mmHg		73%
	5 m/s		+18

1 August, Thursday. day, 20°; night, 18°; clear

2 August, fri

	759 mmHg		67%
	5.1 m/s		+19

2 August, Friday. day, 22°; night, 18°; clear

3 August, sat

	758 mmHg		68%
	5.5 m/s		+19

3 August, Saturday. day, 23°; night, 18°; clear

4 August, sun

	758 mmHg		70%
	4.9 m/s		+19

4 August, Sunday. day, 22°; night, 18°; partly cloudy

5 August, mon

	757 mmHg		68%
	5.3 m/s		+19

5 August, Monday. day, 22°; night, 19°; clear

6 August, tue

	758 mmHg		66%
	5.5 m/s		+19

6 August, Tuesday. day, 22°; night, 19°; partly cloudy

7 August, wed

	758 mmHg		61%
	6 m/s		+19

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

8 August, thu

	758 mmHg		55%
	5.8 m/s		+19

8 August, Thursday. day, 25°; night, 21°; clear

9 August, fri

	758 mmHg		54%
	5 m/s		+19

9 August, Friday. day, 25°; night, 21°; clear

10 August, sat

	758 mmHg		55%
	5 m/s		+19

10 August, Saturday. day, 25°; night, 20°; clear

11 August, sun

	757 mmHg		62%
	5.6 m/s		+19

11 August, Sunday. day, 24°; night, 20°; clear

12 August, mon

	757 mmHg		60%
	5 m/s		+19

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

13 August, tue

	757 mmHg		61%
	5.4 m/s		+19

13 August, Tuesday. day, 22°; night, 18°; clear

14 August, wed

	757 mmHg		68%
	5.1 m/s		+19

14 August, Wednesday. day, 21°; night, 18°; clear

15 August, thu

	758 mmHg		67%
	4.9 m/s		+18

15 August, Thursday. day, 22°; night, 18°; clear

16 August, fri

	757 mmHg		68%
	5.1 m/s		+19

16 August, Friday. day, 22°; night, 18°; clear

17 August, sat

	756 mmHg		70%
	4.8 m/s		+19

17 August, Saturday. day, 22°; night, 18°; clear

18 August, sun

	757 mmHg		67%
	4.5 m/s		+19

18 August, Sunday. day, 22°; night, 19°; clear

19 August, mon

	758 mmHg		62%
	4.5 m/s		+19

19 August, Monday. day, 24°; night, 20°; clear

20 August, tue

	758 mmHg		62%
	5.1 m/s		+19

20 August, Tuesday. day, 22°; night, 18°; clear

21 August, wed

	758 mmHg		72%
	4.4 m/s		+19

21 August, Wednesday. day, 21°; night, 19°; clear

22 August, thu

	757 mmHg		68%
	6.1 m/s		+19

22 August, Thursday. day, 21°; night, 18°; clear

23 August, fri

	758 mmHg		69%
	4.8 m/s		+19

23 August, Friday. day, 20°; night, 17°; clear

24 August, sat

	757 mmHg		70%
	5 m/s		+19

24 August, Saturday. day, 21°; night, 18°; partly cloudy

25 August, sun

	757 mmHg		72%
	5.5 m/s		+19

25 August, Sunday. day, 22°; night, 18°; clear

26 August, mon

	757 mmHg		69%
	4.5 m/s		+19

26 August, Monday. day, 22°; night, 18°; clear

27 August, tue

	757 mmHg		66%
	4.4 m/s		+19

27 August, Tuesday. day, 22°; night, 20°; clear

28 August, wed

	757 mmHg		61%
	4.1 m/s		+19

28 August, Wednesday. day, 24°; night, 20°; clear

29 August, thu

	756 mmHg		56%
	4.5 m/s		+19

29 August, Thursday. day, 25°; night, 20°; rain

30 August, fri

	756 mmHg		62%
	5.4 m/s		+19

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

31 August, sat

	757 mmHg		62%
	4.9 m/s		+19

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

Average data for 10 years

Viana do Castelo August

26

sunny days

1

day with precipitation

4

cloudy days

26 sunny days; 1 day with precipitation; 4 cloudy days;

64

%

air humidity

3.5

m/s

WindNW

24

mm of precipitation

(2% of annual average)

+19

°C

Water temperature

air humidity 64%; 24 millimeters of precipitation (2% of annual average); Wind north-westerly 3.5 Meters per second; Water temperature +19°

Weather graphs for August

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

NW

NW

NW

NW

NW

NW

N

N

N

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

N

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

Lisbon
Porto
Xixón
Oviedo
Figueira da foz
Santiago de Compostela
Sintra
Cascais
Coruna

Cities with similar weather in August

Lisbon
Vancouver
Santa Cruz de Tenerife
Seattle
Las Palmas de Gran Canaria
Playa de las Americas
Montreal
Port Louis
San Sebastian

The weather forecast for August 2024 is based on historical data from the past 10 years.

August in Viana do Castelo is the warmest month of the year. In August, the weather in Viana do Castelo is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Viana do Castelo has 26 sunny, 4 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Viana do Castelo.

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