World Resorts Spain San Sebastian Weather

San Sebastian sea water temperature

Current sea water temperature:
+65.3°F
Minimum sea water temperature in October: 70.7°F
Maximum sea water temperature in October: 60.1°F
Average sea water temperature in October: 66.0°F

Sea water temperature for the last 10 days:

October 24 65.3°F October 19 67.5°F
October 23 66.0°F October 18 67.6°F
October 22 66.0°F October 17 68.2°F
October 21 66.9°F October 16 68.2°F
October 20 66.7°F October 15 68.9°F

When is the warmest sea in San Sebastian?

Based on the data about daily sea water temperature for the last three years the warmest sea in San Sebastian was noticed in August, July and September.

Monthly Sea Temperatures in San Sebastian, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 76.3°F and 73.8°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 77.2°F and 74.5°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 72.3°F. The highest and lowest sea temperatures during the month were 73.8°F and 71.1°F.

Best time for vacation in San Sebastian

Sunniest months:
August 15 days
October 14 days
September 14 days
Warmest months:
August 76.8 °F
July 74.9 °F
September 73.5 °F
Warmest sea temp:
August 72.8 °F
July 71.5 °F
September 70.4 °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

San Sebastian
+46°F
N 6 mph
Feels like: +43°F
Precip.: 6%
Places in Spain:
Name
°F
+64°F
+59°F
+63°F
+70°F
+64°F
+57°F
+50°F
+55°F
+59°F
+64°F
+61°F
+61°F
+72°F
24 Hours Forecast
San Sebastian
Local time: 07:16
October 25, sunday
0900
54°F
N
6 mph
1200
70°F
SE
6 mph
1500
63°F
SE
7 mph
1800
57°F
NE
4 mph
2100
57°F
N
4 mph
October 26, monday
0000
55°F
N
4 mph
0300
54°F
N
5 mph
0600
54°F
N
5 mph
Units of measurement: °C / °F