Current sea water temperature:
+53.8°F
| Minimum sea water temperature in February: | 56.7°F |
| Maximum sea water temperature in February: | 51.3°F |
| Average sea water temperature in February: | 54.1°F |
| more information | |
14 days
forecast
forecast
| San Sebastian |
monthly
weather
weather
| San Sebastian |
Sea water temperature for the last 10 days:
| February 23 | 53.8°F | February 18 | 54.1°F |
| February 22 | 53.8°F | February 17 | 54.1°F |
| February 21 | 53.2°F | February 16 | 54.1°F |
| February 20 | 54.0°F | February 15 | 54.3°F |
| February 19 | 54.0°F | February 14 | 54.7°F |
Monthly sea water temperature, °F
When is the warmest sea in San Sebastian?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Sebastian was noticed in August, July and September.
Monthly Sea Temperatures in San Sebastian, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.8°F. The highest and lowest sea temperatures during the month were 75.9°F and 72.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 75.0°F and 72.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 72.0°F and 68.2°F.
current
weather
weather
| San Sebastian |
weather in
February
February
| San Sebastian |
Best time for vacation in San Sebastian
San Sebastian on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
San Sebastian
Local time: 15:58
February 23, monday
1800

54°F
W
4 mph
4 mph
2100

50°F
NW
5 mph
5 mph
February 24, tuesday
0000

48°F
NW
6 mph
6 mph
0300

48°F
N
7 mph
7 mph
0600

48°F
N
8 mph
8 mph
0900

48°F
N
9 mph
9 mph
1200

64°F
N
7 mph
7 mph
1500

68°F
N
9 mph
9 mph



























