Measurements:
°C
°F
CURRENT WEATHER
23:57
San Sebastian
54°F
SE 14 mph
Feels like: 50°F
Precip: 100%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

03.30
mon
DAY
50°F
SE 10 mph
precip
100%
NIGHT
54°F
SE 14 mph
precip
100%
03.31
tue
DAY
50°F
S 9 mph
precip
100%
NIGHT
50°F
S 9 mph
precip
100%
04.01
wed
DAY
54°F
S 11 mph
precip
100%
NIGHT
48°F
SE 16 mph
precip
100%
04.02
thu
DAY
52°F
SE 7 mph
precip
64%
NIGHT
40°F
N 5 mph
precip
0%
04.03
fri
DAY
54°F
S 4 mph
precip
82%
NIGHT
44°F
NW 4 mph
precip
0%
04.04
sat
DAY
66°F
NW 5 mph
precip
0%
NIGHT
50°F
NW 3 mph
precip
0%
04.05
sun
DAY
60°F
NE 4 mph
precip
0%
NIGHT
50°F
NW 4 mph
precip
0%

San Sebastian Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for San Sebastian was 12.9°F. The maximum and minimum values were 12.4°F and 13.4°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
more details