Month-by-month travel weather
San Sebastian August weather
San Sebastian, Spain · August
Light waterproofing still earns its place
August stays comfortably warm for many travelers, with fewer extreme heat days than inland Spain.
Rain can still show up, and evenings may cool down—light waterproofing and a thin layer keep comfort steady.
August averages at a glance
Average low
around 17–19°C
Average high
around 22–25°C
Average rainfall
around 70–130 mm
Rainy days
about 9–13 days
What to wear in August in San Sebastian
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • T-shirts + thin outer layer option works well.
- • Breathable fabrics help if humidity rises.
- • Light rain shell option helps.
Travel tips for visiting San Sebastian in August
- • Carry a layer for evenings along the beach.
- • Use waterproof storage for electronics on uncertain days.
August weather in San Sebastian — FAQ
Q. Is August very hot?
A. Often warm rather than scorching, but humidity can change the feel.
Q. Do I need a jacket?
A. A thin layer can help for breezy evenings.
Explore San Sebastian
These pages are connected so you can compare conditions and decide for yourself.