Current sea water temperature:
+77.0°F
| Minimum sea water temperature in July: | 77.4°F |
| Maximum sea water temperature in July: | 66.6°F |
| Average sea water temperature in July: | 71.4°F |
| more information | |
14 days
forecast
forecast
| San Sebastian |
monthly
weather
weather
| San Sebastian |
Sea water temperature for the last 10 days:
| July 16 | 77.0°F | July 11 | 75.6°F |
| July 15 | 77.2°F | July 10 | 75.7°F |
| July 14 | 77.0°F | July 9 | 75.6°F |
| July 13 | 76.8°F | July 8 | 74.7°F |
| July 12 | 77.2°F | July 7 | 76.6°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 77.2°F and 74.5°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
July
July
| 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: 13:01
July 16, thursday
1500
77°F
S
9 mph
9 mph
1800
75°F
SE
6 mph
6 mph
2100
70°F
SE
7 mph
7 mph
July 17, friday
0000
63°F
NE
3 mph
3 mph
0300
66°F
SE
4 mph
4 mph
0600
64°F
E
4 mph
4 mph
0900
68°F
E
4 mph
4 mph
1200
73°F
SE
7 mph
7 mph
