Measurements:
°C
°F
San Sebastian
62°F
N 2 mph
Feels like: 62°F
Precip: 15%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

06.20
sat
DAY
84°F
S 4 mph
precip
4%
NIGHT
66°F
E 6 mph
precip
31%
06.21
sun
DAY
94°F
NW 7 mph
precip
3%
NIGHT
76°F
N 7 mph
precip
2%
06.22
mon
DAY
98°F
NW 2 mph
precip
1%
NIGHT
76°F
NE 3 mph
precip
4%
06.23
tue
DAY
96°F
SW 6 mph
precip
1%
NIGHT
80°F
N 4 mph
precip
2%
06.24
wed
DAY
100°F
W 3 mph
precip
0%
NIGHT
84°F
N 11 mph
precip
1%
06.25
thu
DAY
94°F
N 7 mph
precip
1%
NIGHT
68°F
N 7 mph
precip
40%
06.26
fri
DAY
86°F
NW 2 mph
precip
17%
NIGHT
68°F
E 6 mph
precip
30%

San Sebastian Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for San Sebastian was 19.5°F. The maximum and minimum values were 18.7°F and 21.5°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