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August weather forecast in Bilbao

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		81%
	6.2 m/s

27 July, Sunday. day, 21°; night, 19°; rain

28 July, mon

	764 mmHg		80%
	6 m/s

28 July, Monday. day, 21°; night, 19°; rain

29 July, tue

	764 mmHg		80%
	5.8 m/s

29 July, Tuesday. day, 21°; night, 19°; rain

30 July, wed

	764 mmHg		79%
	5.6 m/s

30 July, Wednesday. day, 21°; night, 19°; partly cloudy

31 July, thu

	763 mmHg		80%
	5.9 m/s

31 July, Thursday. day, 21°; night, 19°; clear

1 August, fri

	763 mmHg		80%
	6.2 m/s

1 August, Friday. day, 21°; night, 19°; rain

2 August, sat

	763 mmHg		79%
	5.8 m/s

2 August, Saturday. day, 21°; night, 19°; partly cloudy

3 August, sun

	764 mmHg		80%
	5.7 m/s

3 August, Sunday. day, 21°; night, 19°; clear

4 August, mon

	764 mmHg		80%
	6 m/s

4 August, Monday. day, 21°; night, 19°; rain

5 August, tue

	764 mmHg		79%
	6.1 m/s

5 August, Tuesday. day, 21°; night, 19°; clear

6 August, wed

	764 mmHg		78%
	6.1 m/s

6 August, Wednesday. day, 21°; night, 19°; rain

7 August, thu

	763 mmHg		80%
	6.5 m/s

7 August, Thursday. day, 21°; night, 19°; rain

8 August, fri

	763 mmHg		79%
	6.3 m/s

8 August, Friday. day, 21°; night, 19°; rain

9 August, sat

	763 mmHg		78%
	6.5 m/s

9 August, Saturday. day, 21°; night, 19°; clear

10 August, sun

	763 mmHg		79%
	6.3 m/s

10 August, Sunday. day, 21°; night, 19°; clear

11 August, mon

	763 mmHg		79%
	6.4 m/s

11 August, Monday. day, 21°; night, 19°; partly cloudy

12 August, tue

	764 mmHg		81%
	6.6 m/s

12 August, Tuesday. day, 21°; night, 19°; rain

13 August, wed

	764 mmHg		78%
	6.3 m/s

13 August, Wednesday. day, 20°; night, 19°; partly cloudy

14 August, thu

	763 mmHg		80%
	6.3 m/s

14 August, Thursday. day, 21°; night, 19°; clear

15 August, fri

	763 mmHg		80%
	6.4 m/s

15 August, Friday. day, 21°; night, 19°; rain

16 August, sat

	763 mmHg		79%
	5.7 m/s

16 August, Saturday. day, 21°; night, 19°; partly cloudy

17 August, sun

	762 mmHg		79%
	5.7 m/s

17 August, Sunday. day, 21°; night, 19°; partly cloudy

18 August, mon

	762 mmHg		79%
	6 m/s

18 August, Monday. day, 21°; night, 19°; partly cloudy

19 August, tue

	763 mmHg		78%
	6.3 m/s

19 August, Tuesday. day, 21°; night, 19°; partly cloudy

20 August, wed

	765 mmHg		80%
	6.5 m/s

20 August, Wednesday. day, 21°; night, 19°; rain

21 August, thu

	765 mmHg		79%
	5.9 m/s

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

22 August, fri

	764 mmHg		81%
	5.8 m/s

22 August, Friday. day, 21°; night, 19°; clear

23 August, sat

	763 mmHg		81%
	5.8 m/s

23 August, Saturday. day, 21°; night, 19°; clear

24 August, sun

	763 mmHg		81%
	6.5 m/s

24 August, Sunday. day, 21°; night, 19°; rain

25 August, mon

	763 mmHg		81%
	6.9 m/s

25 August, Monday. day, 21°; night, 19°; rain

26 August, tue

	763 mmHg		80%
	6.7 m/s

26 August, Tuesday. day, 21°; night, 19°; rain

27 August, wed

	763 mmHg		81%
	6.6 m/s

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

28 August, thu

	763 mmHg		81%
	6.7 m/s

28 August, Thursday. day, 21°; night, 19°; rain

29 August, fri

	764 mmHg		79%
	6.4 m/s

29 August, Friday. day, 20°; night, 19°; rain

30 August, sat

	764 mmHg		78%
	6.4 m/s

30 August, Saturday. day, 20°; night, 19°; clear

31 August, sun

	764 mmHg		77%
	6 m/s

31 August, Sunday. day, 21°; night, 19°; partly cloudy

1 September, mon

	764 mmHg		79%
	6 m/s

1 September, Monday. day, 20°; night, 19°; rain

2 September, tue

	764 mmHg		77%
	6 m/s

2 September, Tuesday. day, 20°; night, 19°; partly cloudy

3 September, wed

	763 mmHg		79%
	6.1 m/s

3 September, Wednesday. day, 20°; night, 19°; clear

4 September, thu

	763 mmHg		80%
	5.9 m/s

4 September, Thursday. day, 20°; night, 19°; rain

5 September, fri

	764 mmHg		78%
	6.4 m/s

5 September, Friday. day, 21°; night, 19°; clear

6 September, sat

	763 mmHg		78%
	6.1 m/s

6 September, Saturday. day, 21°; night, 18°; partly cloudy

Average data for 10 years

Bilbao August

10

sunny days

13

days with precipitation

3

cloudy days

10 sunny days; 13 days with precipitation; 3 cloudy days;

79

%

air humidity

3.9

m/s

WindS

61

mm of precipitation

(5% of annual average)

air humidity 79%; 61 millimeters of precipitation (5% of annual average); Wind southerly 3.9 Meters per second

Weather graphs for August

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

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S

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S

S

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SW

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

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9

10

11

12

13

14

15

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21

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29

30

31

Daytime temperature

Night-time temperature

Cities near you

Madrid
Bordeaux
Oviedo
Zaragoza
Xixón
Burgos
San Sebastian
Pamplona
Biarritz

Cities with similar weather in August

Las Palmas de Gran Canaria
Bansko
Armenia
Fuerteventura
Lanzarote
Kunming
Vigo
Dodoma
Guatemala City

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

August in Bilbao is the warmest month of the year. In August, the weather in Bilbao is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Bilbao has 13 rainy, 10 sunny, and 8 partly cloudy days in August. The rains are usually moderate.

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