World Resorts Spain San Sebastian Weather

San Sebastian 7 Days Forecast

17.05
sun
Day
63°F
SE 6 mph
Precip.
70%
Night
52°F
E 2 mph
Precip.
0%
18.05
mon
Day
63°F
S 2 mph
Precip.
0%
Night
57°F
S 3 mph
Precip.
80%
19.05
tue
Day
70°F
SE 3 mph
Precip.
100%
Night
54°F
NW 3 mph
Precip.
0%
20.05
wed
Day
72°F
SW 5 mph
Precip.
0%
Night
57°F
N 3 mph
Precip.
0%
21.05
thu
Day
81°F
NW 6 mph
Precip.
0%
Night
66°F
N 6 mph
Precip.
0%
22.05
fri
Day
82°F
NW 3 mph
Precip.
0%
Night
61°F
NE 6 mph
Precip.
100%
23.05
sat
Day
61°F
SE 6 mph
Precip.
100%
Night
55°F
N 4 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 61.8°F. The highest and lowest sea temperatures during the month were 63.3°F and 60.6°F.

Air temperature in San Sebastian, °F

Precipitation total in San Sebastian, in.

* Charts above show average data for the last 3 years.

Best time for vacation in San Sebastian

Sunniest months:
August 16 days
September 15 days
October 14 days
Warmest months:
August 76.7 °F
July 74.7 °F
September 73.5 °F
Warmest sea temp:
August 72.6 °F
July 71.3 °F
September 70.3 °F
Coldest months:
January 51.5 °F
February 53.6 °F
December 54.6 °F
Rainiest months:
November 9 days
January 8 days
February 7 days
Windiest months:
February 8.8 mph
November 8.7 mph
January 8.6 mph

San Sebastian on a weather map

Current weather
16:42
San Sebastian
+61°F
SE 7 mph
Feels like: +61°F
Precip.: 72%
Places in Spain:
Name
°F
Alicante
+66°F
Barcelona
+66°F
Valencia
+68°F
Gran Canaria
+66°F
Ibiza
+66°F
Costa Brava
+64°F
Lloret de Mar
+64°F
Madrid
+72°F
Palma de Mallorca
+66°F
Malaga
+70°F
Palma de Majorka
+66°F
Salou
+64°F
Tenerife
+63°F
Torrevieja
+68°F
Fuerteventura
+70°F
all places
24 Hours Forecast
San Sebastian
Local time: 16:42
May 17, sunday
1800
61°F
SE
7 mph
2100
54°F
SE
4 mph
May 18, monday
0000
52°F
E
2 mph
0300
52°F
NE
2 mph
0600
48°F
N
3 mph
0900
55°F
N
2 mph
1200
63°F
S
2 mph
1500
64°F
S
7 mph
Units of measurement: °C / °F