World Resorts Spain Bilbao Weather

Bilbao sea water temperature

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

Sea water temperature for the last 10 days:

December 22 57.9°F December 17 57.9°F
December 21 57.7°F December 16 58.1°F
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

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.

Best time for vacation in Bilbao

Sunniest months:
October 15 days
September 15 days
August 15 days
Warmest months:
August 78.3 °F
July 76.3 °F
September 74.9 °F
Warmest sea temp:
August 71.4 °F
July 69.7 °F
September 69.2 °F
Coldest months:
January 52.8 °F
February 54.5 °F
December 55.9 °F
Rainiest months:
November 7 days
January 7 days
December 6 days
Windiest months:
February 8.3 mph
December 8.3 mph
November 8.1 mph

Bilbao on a weather map

Bilbao
+45°F
N 4 mph
Feels like: +43°F
Precip.: 0%
Places in Spain:
Name
°F
+52°F
+50°F
+52°F
+61°F
+54°F
+63°F
+46°F
+59°F
+41°F
+50°F
+61°F
+52°F
+63°F
24 Hours Forecast
Bilbao
Local time: 11:26
December 22, monday
1200
45°F
N
4 mph
1500
50°F
N
2 mph
1800
45°F
E
2 mph
2100
43°F
NE
3 mph
December 23, tuesday
0000
43°F
N
4 mph
0300
39°F
NE
4 mph
0600
37°F
NE
5 mph
0900
37°F
N
4 mph
Units of measurement: °C / °F