Measurements:
°C
°F
Bilbao
48°F
N 1 mph
Feels like: 48°F
Precip: 9%
World Resorts Spain Bilbao Weather

Bilbao Sea Water Temperature

Current Sea Water Temperature:
+67.6°F
Maximum Sea Water Temperature in October: 72.0°F
Minimum Sea Water Temperature in October: 61.2°F
Average water temperature in October: 67.2°F

Sea Water Temperature for the Last 10 Days:

October 19 67.6°F October 14 68.8°F
October 18 68.4°F October 13 69.2°F
October 17 69.2°F October 12 69.6°F
October 16 69.2°F October 11 69.2°F
October 15 69.2°F October 10 69.8°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

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Bilbao was 76.4°F. The maximum and minimum values were 73.6°F and 78.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Bilbao was 75.8°F. The maximum and minimum values were 74.4°F and 77.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Bilbao was 71.7°F. The maximum and minimum values were 70.2°F and 73.4°F respectively.

Best Time to Visit Bilbao
The most sunny months:
October 15 days
August 15 days
July 14 days
The most warm months:
August 81.3 °F
July 79.5 °F
September 77.5 °F
Warmest sea temperature:
August 73.9 °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

Bilbao on the Weather Map

24 Hours Weather Forecast
Bilbao
Local time: 10:12
19 oct, monday
1200 56°F
SW
3 mph
1500 58°F
SW
5 mph
1800 54°F
SW
4 mph
2100 52°F
SE
2 mph
20 oct, tuesday
0000 50°F
NE
2 mph
0300 50°F
NE
2 mph
0600 48°F
N
4 mph
0900 46°F
N
3 mph