08.08
sat
sat
Day
81°F
S 4 mph
Precip.
2%
2%
Night
63°F
NW 8 mph
Precip.
17%
17%
09.08
sun
sun
Day
77°F
SE 9 mph
Precip.
5%
5%
Night
68°F
SE 3 mph
Precip.
59%
59%
10.08
mon
mon
Day
73°F
SE 4 mph
Precip.
21%
21%
Night
64°F
E 2 mph
Precip.
22%
22%
11.08
tue
tue
Day
79°F
S 6 mph
Precip.
4%
4%
Night
66°F
E 2 mph
Precip.
32%
32%
12.08
wed
wed
Day
77°F
S 4 mph
Precip.
9%
9%
Night
66°F
NE 2 mph
Precip.
27%
27%
13.08
thu
thu
Day
79°F
S 4 mph
Precip.
5%
5%
Night
66°F
E 4 mph
Precip.
22%
22%
14.08
fri
fri
Day
77°F
SE 6 mph
Precip.
6%
6%
Night
64°F
NE 5 mph
Precip.
24%
24%
sea water
temperature
temperature
| San Sebastian |
monthly
weather
weather
| San Sebastian |
current
weather
weather
| San Sebastian |
14 days
forecast
forecast
| San Sebastian |
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.
Air temperature in San Sebastian, °F
Precipitation total in San Sebastian, in.
* Charts above show average data for the last 3 years.
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: 07:43
August 08, saturday
0900
72°F
N
2 mph
2 mph
1200
81°F
S
4 mph
4 mph
1500
82°F
S
7 mph
7 mph
1800
79°F
SE
6 mph
6 mph
2100
70°F
SE
14 mph
14 mph
August 09, sunday
0000
63°F
NW
8 mph
8 mph
0300
64°F
N
4 mph
4 mph
0600
64°F
S
3 mph
3 mph
