Current sea water temperature:
+58.1°F
| Minimum sea water temperature in December: | 60.6°F |
| Maximum sea water temperature in December: | 54.7°F |
| Average sea water temperature in December: | 57.5°F |
| more information | |
14 days
forecast
forecast
| Santander |
monthly
weather
weather
| Santander |
Sea water temperature for the last 10 days:
| December 17 | 58.1°F | December 12 | 58.5°F |
| December 16 | 58.6°F | December 11 | 58.6°F |
| December 15 | 58.5°F | December 10 | 58.8°F |
| December 14 | 58.5°F | December 9 | 58.6°F |
| December 13 | 58.5°F | December 8 | 58.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Santander?
Based on the data about daily sea water temperature for the last three years the warmest sea in Santander was noticed in August, July and September.
Monthly Sea Temperatures in Santander, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.5°F. The highest and lowest sea temperatures during the month were 71.4°F and 69.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 69.8°F. The highest and lowest sea temperatures during the month were 71.4°F and 68.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.8°F. The highest and lowest sea temperatures during the month were 70.2°F and 66.9°F.
current
weather
weather
| Santander |
weather in
December
December
| Santander |
Best time for vacation in Santander
Santander on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Santander
Local time: 23:45
December 18, thursday
0000
54°F
N
4 mph
4 mph
0300
54°F
N
7 mph
7 mph
0600
54°F
N
11 mph
11 mph
0900
55°F
N
11 mph
11 mph
1200
61°F
N
16 mph
16 mph
1500
63°F
N
21 mph
21 mph
1800
61°F
N
15 mph
15 mph
2100
57°F
N
9 mph
9 mph
