Current sea water temperature:
+57.9°F
| Minimum sea water temperature in December: | 61.0°F |
| Maximum sea water temperature in December: | 55.0°F |
| Average sea water temperature in December: | 57.6°F |
| more information | |
14 days
forecast
forecast
| Bilbao |
monthly
weather
weather
| Bilbao |
Sea water temperature for the last 10 days:
| December 20 | 57.9°F | December 15 | 58.1°F |
| December 19 | 58.1°F | December 14 | 58.3°F |
| December 18 | 57.7°F | December 13 | 58.6°F |
| December 17 | 57.9°F | December 12 | 58.8°F |
| December 16 | 58.1°F | December 11 | 58.6°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 71.6°F. The highest and lowest sea temperatures during the month were 73.4°F and 68.7°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
December
December
| Bilbao |
Best time for vacation in Bilbao
Bilbao on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Bilbao
Local time: 01:27
December 21, sunday
0300
48°F
NE
5 mph
5 mph
0600
46°F
SE
2 mph
2 mph
0900
39°F
E
4 mph
4 mph
1200
41°F
NE
4 mph
4 mph
1500
46°F
N
3 mph
3 mph
1800
41°F
E
1 mph
1 mph
2100
41°F
N
2 mph
2 mph
December 22, monday
0000
41°F
N
4 mph
4 mph
