Measurements:
°C
°F
San Sebastian
74°F
SE 1 mph
Feels like: 74°F
Precip: 20%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

07.10
fri
DAY
82°F
S 4 mph
precip
8%
NIGHT
72°F
N 2 mph
precip
23%
07.11
sat
DAY
90°F
SW 5 mph
precip
1%
NIGHT
76°F
N 5 mph
precip
3%
07.12
sun
DAY
98°F
NW 7 mph
precip
8%
NIGHT
68°F
E 4 mph
precip
34%
07.13
mon
DAY
76°F
S 5 mph
precip
7%
NIGHT
64°F
E 2 mph
precip
27%
07.14
tue
DAY
84°F
S 5 mph
precip
4%
NIGHT
66°F
E 3 mph
precip
29%
07.15
wed
DAY
80°F
SE 6 mph
precip
6%
NIGHT
64°F
E 3 mph
precip
28%
07.16
thu
DAY
74°F
SE 6 mph
precip
17%
NIGHT
66°F
E 5 mph
precip
39%

San Sebastian Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for San Sebastian was 23.2°F. The maximum and minimum values were 22.4°F and 23.9°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 51.6 °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