Current Sea Water Temperature:
+59.0°F
| Maximum Sea Water Temperature in December: | 62.2°F |
| Minimum Sea Water Temperature in December: | 55.6°F |
| Average water temperature in December: | 58.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 15 | 59.0°F | December 10 | 59.8°F |
| December 14 | 59.2°F | December 09 | 59.6°F |
| December 13 | 59.6°F | December 08 | 59.0°F |
| December 12 | 59.8°F | December 07 | 59.8°F |
| December 11 | 59.6°F | December 06 | 59.8°F |
When is the Warmest Sea for Bilbao?
According to our data for the last three years for Bilbao the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Bilbao was 74.3°F. The maximum and minimum values were 73.4°F and 75.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Bilbao was 74.0°F. The maximum and minimum values were 70.8°F and 76.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Bilbao was 71.6°F. The maximum and minimum values were 69.2°F and 73.4°F respectively.
Spain Resorts:
NAME
F°
| Alicante |  |
+64 |
| Barcelona |  |
+62 |
| Costa Brava | |
+62 |
| Eivissa | |
+64 |
| Fuerteventura | |
+70 |
| Gran Canaria |  |
+72 |
| Lanzarote | |
+74 |
| Madrid | |
+54 |
| Malaga | |
+64 |
| Palma de Majorka |  |
+64 |
| Palma de Mallorca | |
+64 |
| Salou | |
+60 |
| Tenerife | |
+68 |
| Torrevieja | |
+64 |
| Valencia |  |
+62 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Bilbao
Local time: 14:37
15 dec, monday
| 1500 |  |
60°F | N 6 mph |
| 1800 |  |
52°F | NW 6 mph |
| 2100 | |
52°F | N 7 mph |
16 dec, tuesday
| 0000 |  |
52°F | N 4 mph |
| 0300 | |
50°F | N 5 mph |
| 0600 | |
48°F | N 5 mph |
| 0900 | |
48°F | N 3 mph |
| 1200 | |
54°F | S 1 mph |