San Sebastian weather in October 2025

The weather in San Sebastian in October is very hot. The average temperatures are between 23°C and 24°C, drinking water regularly is advisable.

You can expect a few rainy days in San Sebastian during October, but usually the weather is comfortable in October.

Our weather forecast can give you a great sense of what weather to expect in San Sebastian in October 2025.

If you’re planning to visit San Sebastian in the near future, we highly recommend that you review the 14 day weather forecast for San Sebastian before you arrive.

Temperatures

24° / 23°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.9

Hrs

Explore the weather in San Sebastian in other months

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	20° / 18°	1	30	16 mm	Good	San Sebastian in January
February	19° / 18°	1	27	17 mm	Good	San Sebastian in February
March	19° / 18°	0	31	9 mm	Good	San Sebastian in March
April	20° / 18°	0	30	8 mm	Good	San Sebastian in April
May	21° / 19°	0	31	1 mm	Good	San Sebastian in May
June	22° / 21°	0	30	1 mm	Good	San Sebastian in June
July	24° / 22°	0	31	0 mm	Perfect	San Sebastian in July
August	25° / 23°	0	31	5 mm	Perfect	San Sebastian in August
September	25° / 23°	0	30	7 mm	Perfect	San Sebastian in September
October	24° / 23°	1	30	22 mm	Perfect	San Sebastian in October
November	22° / 21°	1	29	25 mm	Good	San Sebastian in November
December	21° / 20°	1	30	23 mm	Good	San Sebastian in December