Current Sea Water Temperature:
+61.6°F
| Maximum Sea Water Temperature in May: | 66.8°F |
| Minimum Sea Water Temperature in May: | 56.4°F |
| Average water temperature in May: | 60.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 16 | 61.6°F | May 11 | 61.2°F |
| May 15 | 61.4°F | May 10 | 62.0°F |
| May 14 | 62.0°F | May 09 | 61.6°F |
| May 13 | 61.4°F | May 08 | 61.6°F |
| May 12 | 61.4°F | May 07 | 61.4°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 |  |
+62 |
| Barcelona |  |
+62 |
| Costa Brava |  |
+58 |
| Eivissa | |
+62 |
| Fuerteventura | |
+68 |
| Gran Canaria | |
+66 |
| Lloret de Mar |  |
+56 |
| Madrid | |
+60 |
| Malaga | |
+64 |
| Palma de Majorka | |
+56 |
| Palma de Mallorca | |
+56 |
| Salou | |
+62 |
| Tenerife | |
+58 |
| Torrevieja | |
+64 |
| Valencia | |
+62 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Bilbao
Local time: 22:42
17 may, sunday
| 0000 |  |
50°F | N 3 mph |
| 0300 |  |
50°F | N 2 mph |
| 0600 | |
50°F | N 2 mph |
| 0900 |  |
54°F | NE 1 mph |
| 1200 | |
62°F | S 6 mph |
| 1500 |  |
58°F | S 7 mph |
| 1800 | |
58°F | S 7 mph |
| 2100 |  |
54°F | S 3 mph |