Measurements:
°C
°F
Bilbao
80°F
S 7 mph
Feels like: 82°F
Precip: 2%
World Resorts Spain Bilbao Weather

7 Day Weather Forecast

08.18
tue
DAY
78°F
SW 4 mph
precip
2%
NIGHT
66°F
NE 1 mph
precip
13%
08.19
wed
DAY
78°F
S 4 mph
precip
11%
NIGHT
68°F
SE 2 mph
precip
18%
08.20
thu
DAY
76°F
S 3 mph
precip
12%
NIGHT
66°F
S 2 mph
precip
50%
08.21
fri
DAY
62°F
SE 2 mph
precip
41%
NIGHT
64°F
E 2 mph
precip
31%
08.22
sat
DAY
64°F
S 3 mph
precip
29%
NIGHT
64°F
S 2 mph
precip
21%
08.23
sun
DAY
70°F
S 2 mph
precip
15%
NIGHT
62°F
NE 2 mph
precip
36%
08.24
mon
DAY
66°F
SE 4 mph
precip
55%
NIGHT
62°F
SE 4 mph
precip
27%

Bilbao Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Bilbao was 23.4°F. The maximum and minimum values were 22.6°F and 24.0°F respectively.

Bilbao on the Weather Map

Best Time to Visit Bilbao
The most sunny months:
October 15 days
September 15 days
August 15 days
The most warm months:
August 81.4 °F
July 79.5 °F
September 77.6 °F
Warmest sea temperature:
August 73.8 °F
July 72.1 °F
September 71.3 °F
The most cold months:
January 52.8 °F
February 55.1 °F
December 56.2 °F
The most rainy months:
November 7 days
January 7 days
December 6 days
The most windy months:
February 8 mph
November 7 mph
December 7 mph