Current sea water temperature:
+74.3°F
| Minimum sea water temperature in August: | 74.3°F |
| Maximum sea water temperature in August: | 68.2°F |
| Average sea water temperature in August: | 71.4°F |
| more information | |
14 days
forecast
forecast
| Bilbao |
monthly
weather
weather
| Bilbao |
Sea water temperature for the last 10 days:
| August 5 | 74.3°F | July 31 | 73.9°F |
| August 4 | 74.3°F | July 30 | 73.2°F |
| August 3 | 73.6°F | July 29 | 73.8°F |
| August 2 | 73.6°F | July 28 | 73.6°F |
| August 1 | 73.8°F | July 27 | 73.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Bilbao?
Based on the data about daily sea water temperature for the last three years the warmest sea in Bilbao was noticed in August, July and September.
Monthly Sea Temperatures in Bilbao, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.9°F. The highest and lowest sea temperatures during the month were 72.7°F and 71.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 73.2°F. The highest and lowest sea temperatures during the month were 74.8°F and 72.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.4°F. The highest and lowest sea temperatures during the month were 71.1°F and 67.3°F.
current
weather
weather
| Bilbao |
weather in
August
August
| Bilbao |
Best time for vacation in Bilbao
Bilbao on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Bilbao
Local time: 15:10
August 05, wednesday
1800

70°F
S
5 mph
5 mph
2100

66°F
S
4 mph
4 mph
August 06, thursday
0000

64°F
S
3 mph
3 mph
0300

64°F
S
4 mph
4 mph
0600

64°F
S
2 mph
2 mph
0900

63°F
S
3 mph
3 mph
1200

64°F
S
3 mph
3 mph
1500

64°F
S
4 mph
4 mph



























