Average sea water temperature in August:
+72.7°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 74.9°F. The highest and lowest sea temperatures during the month were 76.3°F and 73.9°F.
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| San Sebastian |
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Monthly sea water temperature in San Sebastian, °F
Which Spain resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Murcia | 85.8°F | 83.0°F |
| La Manga | 85.6°F | 82.9°F |
| Mar Menor | 85.5°F | 82.7°F |
| Palma | 85.4°F | 81.7°F |
| Palma de Majorka | 85.4°F | 81.7°F |
| S'Arenal | 85.4°F | 81.7°F |
| Cala Mayor | 85.3°F | 81.6°F |
| Paguera | 85.3°F | 81.4°F |
| Palma de Mallorca | 85.3°F | 81.3°F |
| Palmanova | 85.2°F | 81.4°F |
| Magaluf | 85.2°F | 81.4°F |
| Santa Ponsa | 85.2°F | 81.4°F |
| Cala Dor | 84.9°F | 80.8°F |
| Sa Coma | 84.8°F | 80.7°F |
| San Pedro del Pinatar | 84.8°F | 81.9°F |
| Alicante | 84.6°F | 81.8°F |
| Castellon de la Plana | 84.6°F | 81.5°F |
| Can Picafort | 84.5°F | 80.9°F |
| Alcudia | 84.5°F | 80.9°F |
| Playa de Muro | 84.5°F | 80.9°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: 04:18
August 16, sunday
0600

64°F
NE
5 mph
5 mph
0900

70°F
E
2 mph
2 mph
1200

75°F
SE
3 mph
3 mph
1500

79°F
SE
7 mph
7 mph
1800

77°F
S
7 mph
7 mph
2100

68°F
SE
3 mph
3 mph
August 17, monday
0000

64°F
NE
2 mph
2 mph
0300

63°F
NE
4 mph
4 mph



























