Weather in San Sebastián
What's the weather like in San Sebastián?
San Sebastián has a moderate climate and heavy rainfall, especially in the wet season. Average daytime highs range from 12°C (53°F) in January to 23°C (74°F) in July, with overnight lows around 6°C (43°F) and 17°C (63°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit San Sebastián are May through October.
Quick facts
- Country
- 🇪🇸 Spain
- Region
- Europe
- Time zone
- Europe/Madrid
- Coordinates
- 43.318, -1.981
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 12°C / 53°F | 6°C / 43°F | 220 mm | 17 | — |
| February | 13°C / 56°F | 7°C / 44°F | 166 mm | 15 | — |
| March | 15°C / 58°F | 8°C / 46°F | 155 mm | 17 | — |
| April | 17°C / 62°F | 10°C / 49°F | 118 mm | 14 | — |
| May | 19°C / 66°F | 12°C / 53°F | 122 mm | 16 | — |
| June | 22°C / 71°F | 15°C / 59°F | 106 mm | 14 | — |
| July | 23°C / 74°F | 17°C / 63°F | 76 mm | 13 | — |
| August | 24°C / 75°F | 17°C / 63°F | 102 mm | 12 | — |
| September | 23°C / 73°F | 16°C / 60°F | 112 mm | 12 | — |
| October | 20°C / 69°F | 14°C / 56°F | 121 mm | 13 | — |
| November | 15°C / 60°F | 10°C / 50°F | 229 mm | 18 | — |
| December | 14°C / 57°F | 8°C / 47°F | 177 mm | 15 | — |
San Sebastián by month
Detailed weather for any specific month:
Cities with a similar climate to San Sebastián
Frequently asked questions
When is the best time to visit San Sebastián?
The most comfortable months in San Sebastián are usually June, July, September, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in San Sebastián?
August is typically the hottest month in San Sebastián, averaging a high of 24°C (75°F).
What is the coldest month in San Sebastián?
January is usually the coldest, with average lows around 6°C (43°F).
Does it snow in San Sebastián?
Snow is rare in San Sebastián; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.