Measurements:
°C
°F
CURRENT WEATHER
15:46
San Sebastian
54°F
SE 6 mph
Feels like: 52°F
Precip: 84%
World Resorts Spain San Sebastian Weather

7 Day Weather Forecast

03.10
tue
DAY
54°F
E 3 mph
precip
81%
NIGHT
44°F
N 4 mph
precip
0%
03.11
wed
DAY
56°F
SE 5 mph
precip
64%
NIGHT
50°F
SE 3 mph
precip
100%
03.12
thu
DAY
58°F
S 3 mph
precip
0%
NIGHT
46°F
N 4 mph
precip
0%
03.13
fri
DAY
64°F
NE 9 mph
precip
0%
NIGHT
46°F
SE 17 mph
precip
100%
03.14
sat
DAY
48°F
S 14 mph
precip
100%
NIGHT
44°F
S 12 mph
precip
100%
03.15
sun
DAY
50°F
S 7 mph
precip
100%
NIGHT
46°F
NE 4 mph
precip
77%
03.16
mon
DAY
58°F
W 2 mph
precip
0%
NIGHT
46°F
N 6 mph
precip
0%

San Sebastian Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for San Sebastian was 13.0°F. The maximum and minimum values were 12.5°F and 13.3°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