Average sea water temperature in August:
+72.8°F
| Minimum sea water temperature in August: | 76.5°F |
| Maximum sea water temperature in August: | 69.6°F |
Daily 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
temperature
| San Sebastian |
monthly
weather
weather
| San Sebastian |
current
weather
weather
| San Sebastian |
14 days
forecast
forecast
| San Sebastian |
Monthly sea water temperature in San Sebastian, °F
Which Spain resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Murcia | 85.0°F | 83.0°F |
| La Manga | 84.9°F | 82.9°F |
| Palma | 84.8°F | 81.7°F |
| Palma de Majorka | 84.8°F | 81.7°F |
| Cala Mayor | 84.8°F | 81.6°F |
| Santa Ponsa | 84.7°F | 81.4°F |
| Magaluf | 84.7°F | 81.4°F |
| Palma de Mallorca | 84.6°F | 81.3°F |
| Sa Coma | 84.3°F | 80.7°F |
| Alcudia | 84.2°F | 80.9°F |
| Ibiza | 84.1°F | 81.1°F |
| Cala Ratjada | 84.0°F | 80.4°F |
| Can Picafort | 83.9°F | 80.9°F |
| San Pedro del Pinatar | 83.9°F | 81.9°F |
| Menorca | 83.8°F | 79.7°F |
| Oropesa del Mar | 83.7°F | 81.6°F |
| Castellon de la Plana | 83.7°F | 81.5°F |
| Alicante | 83.6°F | 81.8°F |
| Benidorm | 83.6°F | 81.2°F |
| Alcossebre | 83.6°F | 81.2°F |
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: 20:20
September 25, friday
2100
63°F
SE
3 mph
3 mph
September 26, saturday
0000
63°F
SE
2 mph
2 mph
0300
61°F
SE
2 mph
2 mph
0600
61°F
SE
2 mph
2 mph
0900
63°F
SE
1 mph
1 mph
1200
68°F
S
4 mph
4 mph
1500
73°F
S
7 mph
7 mph
1800
68°F
S
5 mph
5 mph
