Quick decision
When to visit San Sebastián?
🌞 Best time overall
July
🌡️ Optimal temperature
17°C–23°C in July
🌧 Least rain
40% rainy days in July
🌧 Wettest month
January (52%)
📅 Best score
7.8/10
By trip type
Best time by type of trip
GastronomyYear-round — over 15 Michelin stars, pintxos in the Parte Vieja.
BeachesJune–September — La Concha, Ondarreta and Zurriola for surfing.
Film FestivalSeptember — San Sebastián International Film Festival.
Sport & SurfingApril–October — Zurriola, Mount Urgull and Mount Igueldo trails.
Monthly climate data
San Sebastián weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 6°C | 12°C | 52% | 6.6 | 5.9h | 4.0/10 |
| 🌦️ February | 7°C | 14°C | 49% | 5.3 | 7.8h | 4.4/10 |
| 🌦️ March | 8°C | 15°C | 55% | 5.0 | 8.9h | 4.7/10 |
| 🌦️ April | 9°C | 17°C | 49% | 4.1 | 10.1h | 6.9/10 |
| 🌦️ May | 12°C | 18°C | 52% | 4.1 | 11.6h | 7.0/10 |
| 🌦️ June | 15°C | 21°C | 47% | 3.6 | 11.8h | 7.3/10 |
| 🌤️ July | 17°C | 23°C | 40% | 2.4 | 12.2h | 7.8/10 |
| 🌤️ August | 18°C | 24°C | 40% | 3.2 | 11.8h | 7.8/10 |
| 🌤️ September | 16°C | 22°C | 44% | 4.2 | 10.6h | 7.4/10 |
| 🌦️ October | 13°C | 20°C | 43% | 4.5 | 8.9h | 7.1/10 |
| 🌦️ November | 10°C | 15°C | 58% | 7.7 | 6.9h | 4.2/10 |
| 🌦️ December | 8°C | 14°C | 49% | 6.1 | 5.7h | 4.1/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 17°C, 52% rainy days, 10.2h sunshine/day. Score: 6.2/10.
☀️ Summer (Jun–Aug) — Good time
Average 23°C, 42% rainy days, 11.9h sunshine/day. Score: 7.6/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 19°C, 48% rainy days, 8.8h sunshine/day. Score: 6.2/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 13°C, 50% rainy days, 6.5h sunshine/day. Score: 4.2/10.
Accommodation
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Check availability during the recommended period
Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Activities and tours in San Sebastián
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 40% rainy days and 23°C. The months of July & August offer comparable conditions.
January is the wettest month with 52% rainy days.
Yes, July is the best month with an average of 23°C.
In winter, the average score is 4.2/10. Difficult period — prefer the peak season.
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