Current sea water temperature:
+70.3°F
| Minimum sea water temperature in October: | 70.7°F |
| Maximum sea water temperature in October: | 60.1°F |
| Average sea water temperature in October: | 65.9°F |
| more information | |
14 days
forecast
forecast
| San Sebastian |
monthly
weather
weather
| San Sebastian |
Sea water temperature for the last 10 days:
| October 4 | 70.3°F | September 29 | 71.4°F |
| October 3 | 70.5°F | September 28 | 71.6°F |
| October 2 | 70.7°F | September 27 | 71.4°F |
| October 1 | 70.7°F | September 26 | 71.1°F |
| September 30 | 71.2°F | September 25 | 71.2°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 76.3°F and 73.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.8°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:
2026
2025
2024
The average sea water temperature in September of 2026 was 72.3°F. The highest and lowest sea temperatures during the month were 73.8°F and 71.1°F.
current
weather
weather
| San Sebastian |
weather in
October
October
| 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: 04:18
October 05, monday
0600
57°F
N
2 mph
2 mph
0900
57°F
N
3 mph
3 mph
1200
75°F
S
2 mph
2 mph
1500
79°F
S
4 mph
4 mph
1800
73°F
S
4 mph
4 mph
2100
61°F
N
3 mph
3 mph
October 06, tuesday
0000
63°F
N
6 mph
6 mph
0300
61°F
N
6 mph
6 mph
