22.12
mon
mon
Day
46°F
NE 5 mph
Precip.
0%
0%
Night
39°F
N 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
46°F
E 2 mph
Precip.
100%
100%
Night
46°F
SW 3 mph
Precip.
0%
0%
24.12
wed
wed
Day
52°F
SE 6 mph
Precip.
100%
100%
Night
43°F
SW 7 mph
Precip.
100%
100%
25.12
thu
thu
Day
39°F
SW 6 mph
Precip.
100%
100%
Night
34°F
NW 4 mph
Precip.
0%
0%
26.12
fri
fri
Day
41°F
SW 3 mph
Precip.
61%
61%
Night
37°F
NW 2 mph
Precip.
61%
61%
27.12
sat
sat
Day
43°F
NW 2 mph
Precip.
0%
0%
Night
37°F
N 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
46°F
SW 2 mph
Precip.
100%
100%
Night
41°F
NW 4 mph
Precip.
21%
21%
29.12
mon
mon
Day
45°F
E 1 mph
Precip.
76%
76%
Night
41°F
SE 5 mph
Precip.
100%
100%
30.12
tue
tue
Day
45°F
S 7 mph
Precip.
66%
66%
Night
39°F
SW 9 mph
Precip.
100%
100%
31.12
wed
wed
Day
36°F
SW 10 mph
Precip.
100%
100%
Night
28°F
NW 3 mph
Precip.
100%
100%
01.01
thu
thu
Day
34°F
SW 4 mph
Precip.
23%
23%
Night
34°F
NW 2 mph
Precip.
100%
100%
02.01
fri
fri
Day
39°F
NW 7 mph
Precip.
0%
0%
Night
34°F
W 2 mph
Precip.
51%
51%
03.01
sat
sat
Day
41°F
SW 2 mph
Precip.
100%
100%
Night
41°F
NE 5 mph
Precip.
78%
78%
04.01
sun
sun
Day
41°F
SW 4 mph
Precip.
100%
100%
Night
37°F
W 4 mph
Precip.
24%
24%
sea water
temperature
temperature
| San Sebastian |
monthly
weather
weather
| San Sebastian |
current
weather
weather
| San Sebastian |
7 days
forecast
forecast
| San Sebastian |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 58.9°F. The highest and lowest sea temperatures during the month were 59.9°F and 58.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 55.8°F. The highest and lowest sea temperatures during the month were 56.7°F and 54.7°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: 13:55
December 22, monday
1500
50°F
N
4 mph
4 mph
1800
41°F
N
5 mph
5 mph
2100
39°F
N
6 mph
6 mph
December 23, tuesday
0000
39°F
N
6 mph
6 mph
0300
41°F
NE
4 mph
4 mph
0600
43°F
NE
6 mph
6 mph
0900
43°F
NE
4 mph
4 mph
1200
46°F
E
2 mph
2 mph
