Weather in August 2025

San Sebastian weather in August 2025

The weather in San Sebastian in August is very hot. The average temperatures are between 23°C and 25°C, drinking water regularly is advisable.

As it is almost never rain during August in San Sebastian the weather is perfect for hanging out outside and exploring all that San Sebastian has to offer.

Our weather forecast can give you a great sense of what weather to expect in San Sebastian in August 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
Temperatures
25° / 23°
Rainy Days
Rainy Days
0
Snowy Days
Snowy Days
0
Dry Days
Dry Days
31
Rainfall
Rainfall
5
mm
12.0
Sun Hours
12.0
Hrs

San Sebastian annual weather

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

Recommended Hotels in San Sebastian

We know that finding the ideal hotel in San Sebastian can be a hard task...

That’s why we run our special tools and found the best hotels in San Sebastian. Click on hotel for more details.

Weather in San Sebastian in August - FAQ

What is the average temperature in San Sebastian in August?
The average temperature in San Sebastian in August is 23/25° C.
What is the chance of rain in San Sebastian in August?
On average, there are 0 rainy days in San Sebastian during August.
Weather wise, is August a good time to visit San Sebastian?
The weather in San Sebastian in August is perfect.
Can it snow in San Sebastian in August?
On average, there are 0 snowy days in San Sebastian in August.
More about the weather in San Sebastian