Measurements:
°C
°F
San Sebastian
78°F
SE 6 mph
Feels like: 82°F
Precip: 6%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

07.30
thu
DAY
78°F
SE 6 mph
precip
6%
NIGHT
70°F
E 4 mph
precip
36%
07.31
fri
DAY
72°F
S 3 mph
precip
24%
NIGHT
64°F
S 2 mph
precip
24%
08.01
sat
DAY
76°F
S 4 mph
precip
14%
NIGHT
60°F
NE 2 mph
precip
13%
08.02
sun
DAY
80°F
S 5 mph
precip
2%
NIGHT
62°F
NE 3 mph
precip
12%
08.03
mon
DAY
78°F
SE 6 mph
precip
4%
NIGHT
62°F
NE 2 mph
precip
14%
08.04
tue
DAY
78°F
NW 4 mph
precip
3%
NIGHT
66°F
NE 2 mph
precip
33%
08.05
wed
DAY
78°F
NW 4 mph
precip
11%
NIGHT
68°F
NE 2 mph
precip
24%

San Sebastian Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for San Sebastian was 24.3°F. The maximum and minimum values were 23.6°F and 25.1°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 77.7 °F
September 76.1 °F
Warmest sea temperature:
August 75.2 °F
July 73.9 °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