Measurements:
°C
°F
CURRENT WEATHER
21:15
San Sebastian
42°F
SE 9 mph
Feels like: 36°F
Precip: 100%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

01.10
sat
DAY
48°F
SE 17 mph
precip
100%
NIGHT
42°F
E 4 mph
precip
100%
01.11
sun
DAY
50°F
N 6 mph
precip
0%
NIGHT
46°F
N 10 mph
precip
0%
01.12
mon
DAY
56°F
N 14 mph
precip
0%
NIGHT
48°F
N 13 mph
precip
0%
01.13
tue
DAY
56°F
N 14 mph
precip
0%
NIGHT
52°F
N 12 mph
precip
0%
01.14
wed
DAY
56°F
N 6 mph
precip
82%
NIGHT
46°F
N 6 mph
precip
25%
01.15
thu
DAY
52°F
N 5 mph
precip
0%
NIGHT
50°F
N 13 mph
precip
20%
01.16
fri
DAY
56°F
N 22 mph
precip
59%
NIGHT
46°F
NE 16 mph
precip
28%

San Sebastian Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for San Sebastian was 13.2°F. The maximum and minimum values were 12.6°F and 13.7°F respectively.

San Sebastian on the Weather Map

Best Time to Visit San Sebastian
The most sunny months:
August 16 days
September 15 days
October 14 days
The most warm months:
August 79.7 °F
July 77.5 °F
September 76.1 °F
Warmest sea temperature:
August 75.2 °F
July 73.6 °F
September 72.6 °F
The most cold months:
January 51.8 °F
February 53.8 °F
December 55.1 °F
The most rainy months:
November 9 days
January 8 days
February 7 days
The most windy months:
February 8 mph
November 8 mph
December 8 mph
more details