Measurements:
°C
°F
CURRENT WEATHER
11:01
San Sebastian
52°F
S 1 mph
Feels like: 52°F
Precip: 15%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

10.19
mon
DAY
52°F
S 1 mph
precip
15%
NIGHT
40°F
N 4 mph
precip
21%
10.20
tue
DAY
58°F
SE 2 mph
precip
5%
NIGHT
44°F
N 4 mph
precip
28%
10.21
wed
DAY
52°F
E 6 mph
precip
70%
NIGHT
44°F
N 5 mph
precip
31%
10.22
thu
DAY
62°F
N 2 mph
precip
13%
NIGHT
54°F
N 7 mph
precip
14%
10.23
fri
DAY
58°F
E 4 mph
precip
67%
NIGHT
50°F
E 3 mph
precip
46%
10.24
sat
DAY
60°F
NE 3 mph
precip
19%
NIGHT
52°F
N 2 mph
precip
22%
10.25
sun
DAY
72°F
SE 3 mph
precip
2%
NIGHT
52°F
N 5 mph
precip
9%

San Sebastian Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for San Sebastian was 20.7°F. The maximum and minimum values were 19.7°F and 21.5°F respectively.

San Sebastian on the Weather Map

Best Time to Visit San Sebastian
The most sunny months:
August 15 days
October 14 days
September 14 days
The most warm months:
August 79.8 °F
July 77.7 °F
September 76.1 °F
Warmest sea temperature:
August 75.3 °F
July 73.9 °F
September 72.7 °F
The most cold months:
January 51.6 °F
February 54.0 °F
December 55.1 °F
The most rainy months:
November 9 days
January 8 days
February 7 days
The most windy months:
February 9 mph
November 8 mph
January 8 mph
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