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August weather forecast in Viseu

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

	723 mmHg		69%
	4.3 m/s

27 July, Sunday. day, 26°; night, 15°; rain

28 July, mon

	724 mmHg		67%
	4 m/s

28 July, Monday. day, 27°; night, 15°; clear

29 July, tue

	724 mmHg		65%
	4 m/s

29 July, Tuesday. day, 28°; night, 15°; clear

30 July, wed

	724 mmHg		65%
	4.1 m/s

30 July, Wednesday. day, 28°; night, 15°; clear

31 July, thu

	723 mmHg		67%
	4.19 m/s

31 July, Thursday. day, 27°; night, 15°; clear

1 August, fri

	723 mmHg		68%
	4.1 m/s

1 August, Friday. day, 26°; night, 14°; clear

2 August, sat

	724 mmHg		67%
	4.1 m/s

2 August, Saturday. day, 26°; night, 15°; clear

3 August, sun

	724 mmHg		65%
	4.19 m/s

3 August, Sunday. day, 27°; night, 15°; clear

4 August, mon

	724 mmHg		65%
	4.3 m/s

4 August, Monday. day, 27°; night, 15°; clear

5 August, tue

	724 mmHg		64%
	4.19 m/s

5 August, Tuesday. day, 27°; night, 15°; clear

6 August, wed

	724 mmHg		64%
	4.3 m/s

6 August, Wednesday. day, 27°; night, 16°; partly cloudy

7 August, thu

	723 mmHg		64%
	4.3 m/s

7 August, Thursday. day, 27°; night, 16°; clear

8 August, fri

	723 mmHg		63%
	4.3 m/s

8 August, Friday. day, 27°; night, 15°; clear

9 August, sat

	723 mmHg		61%
	4.1 m/s

9 August, Saturday. day, 27°; night, 16°; clear

10 August, sun

	724 mmHg		62%
	4.19 m/s

10 August, Sunday. day, 27°; night, 16°; rain

11 August, mon

	724 mmHg		63%
	4.19 m/s

11 August, Monday. day, 27°; night, 15°; clear

12 August, tue

	724 mmHg		64%
	3.9 m/s

12 August, Tuesday. day, 27°; night, 15°; clear

13 August, wed

	724 mmHg		64%
	4.1 m/s

13 August, Wednesday. day, 27°; night, 15°; clear

14 August, thu

	724 mmHg		64%
	4.1 m/s

14 August, Thursday. day, 27°; night, 15°; clear

15 August, fri

	724 mmHg		67%
	4.1 m/s

15 August, Friday. day, 26°; night, 15°; clear

16 August, sat

	724 mmHg		70%
	4.19 m/s

16 August, Saturday. day, 25°; night, 14°; clear

17 August, sun

	723 mmHg		70%
	4.19 m/s

17 August, Sunday. day, 26°; night, 14°; partly cloudy

18 August, mon

	723 mmHg		71%
	4.19 m/s

18 August, Monday. day, 25°; night, 14°; partly cloudy

19 August, tue

	724 mmHg		69%
	4 m/s

19 August, Tuesday. day, 26°; night, 14°; partly cloudy

20 August, wed

	725 mmHg		65%
	4 m/s

20 August, Wednesday. day, 27°; night, 14°; clear

21 August, thu

	725 mmHg		62%
	4 m/s

21 August, Thursday. day, 27°; night, 15°; clear

22 August, fri

	724 mmHg		63%
	3.9 m/s

22 August, Friday. day, 27°; night, 15°; clear

23 August, sat

	724 mmHg		65%
	4.1 m/s

23 August, Saturday. day, 27°; night, 15°; clear

24 August, sun

	724 mmHg		67%
	3.9 m/s

24 August, Sunday. day, 26°; night, 15°; partly cloudy

25 August, mon

	724 mmHg		67%
	4 m/s

25 August, Monday. day, 26°; night, 14°; rain

26 August, tue

	724 mmHg		70%
	3.9 m/s

26 August, Tuesday. day, 26°; night, 14°; rain

27 August, wed

	724 mmHg		70%
	3.9 m/s

27 August, Wednesday. day, 26°; night, 14°; clear

28 August, thu

	724 mmHg		70%
	3.9 m/s

28 August, Thursday. day, 25°; night, 14°; rain

29 August, fri

	724 mmHg		68%
	3.9 m/s

29 August, Friday. day, 25°; night, 14°; clear

30 August, sat

	724 mmHg		65%
	4 m/s

30 August, Saturday. day, 26°; night, 14°; clear

31 August, sun

	724 mmHg		63%
	3.9 m/s

31 August, Sunday. day, 26°; night, 15°; overcast

1 September, mon

	723 mmHg		65%
	4.1 m/s

1 September, Monday. day, 26°; night, 14°; clear

2 September, tue

	724 mmHg		64%
	3.9 m/s

2 September, Tuesday. day, 26°; night, 15°; clear

3 September, wed

	724 mmHg		66%
	3.9 m/s

3 September, Wednesday. day, 25°; night, 15°; clear

4 September, thu

	724 mmHg		66%
	3.9 m/s

4 September, Thursday. day, 25°; night, 15°; clear

5 September, fri

	724 mmHg		67%
	4.19 m/s

5 September, Friday. day, 25°; night, 14°; clear

6 September, sat

	723 mmHg		66%
	4.19 m/s

6 September, Saturday. day, 25°; night, 14°; clear

Average data for 10 years

Viseu August

21

sunny days

4

days with precipitation

1

cloudy day

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

66

%

air humidity

2.3

m/s

WindS

24

mm of precipitation

(2% of annual average)

air humidity 66%; 24 millimeters of precipitation (2% of annual average); Wind southerly 2.3 Meters per second

Weather graphs for August

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

SW

SW

SW

S

SW

S

S

S

S

S

SW

SW

S

SW

SW

SW

SW

SW

S

S

S

S

S

S

S

S

S

S

S

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

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Lisbon
Porto
Seville
Oviedo
Xixón
Coruna
Cascais
Faro
Setúbal

Cities with similar weather in August

Toronto
Genoa
Funchal
Playa de las Americas
Bordeaux
San Remo
Adeje
El-Aaiún
Portimão

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

August in Viseu is the sunniest and the warmest month of the year. In August, the weather in Viseu is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Viseu has 21 sunny, 5 partly cloudy, 4 rainy, and 1 cloudy day in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Viseu.

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