San Sebastián · SummerMonth summary
San Sebastián weather in August
✅ Good
🌡️ Temperature min / max
64°F – 75°F
🌧 Rainy days
40% of days
☀️ Sunshine
11.8h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
July (7.8/10)
Quick decision
Should you visit San Sebastián in August?
✅ Good
✅ Yes if: you want to explore cultural sites and local food.
❌ No if: you need guaranteed sunshine for photos or outdoor activities.
Our take: San Sebastián in August: 75°F and 11.8h of sunshine. Decent, but not the peak.
By trip type
San Sebastián in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
Summer in San Sebastián brings pleasant temperatures (24°F) and long sunny days (11.8h of sunshine). Expect rain on 40% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (7.8/10) remains theoretically better.
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All months for San Sebastián
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 43°F | 54°F | 52% | 0.3in | 5.9h | 4.0/10 |
| 🌦️ February | 45°F | 57°F | 49% | 0.2in | 7.8h | 4.4/10 |
| 🌦️ March | 46°F | 59°F | 55% | 0.2in | 8.9h | 4.7/10 |
| 🌦️ April | 48°F | 63°F | 49% | 0.2in | 10.1h | 6.9/10 |
| 🌦️ May | 54°F | 64°F | 52% | 0.2in | 11.6h | 7.0/10 |
| 🌦️ June | 59°F | 70°F | 47% | 0.1in | 11.8h | 7.3/10 |
| 🌤️ July | 63°F | 73°F | 40% | 0.1in | 12.2h | 7.8/10 |
| 🌤️ August | 64°F | 75°F | 40% | 0.1in | 11.8h | 7.8/10 |
| 🌤️ September | 61°F | 72°F | 44% | 0.2in | 10.6h | 7.4/10 |
| 🌦️ October | 55°F | 68°F | 43% | 0.2in | 8.9h | 7.1/10 |
| 🌦️ November | 50°F | 59°F | 58% | 0.3in | 6.9h | 4.2/10 |
| 🌦️ December | 46°F | 57°F | 49% | 0.2in | 5.7h | 4.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, San Sebastián averages 75°F, 40% rainy days and 11.8h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
August vs July (best month)
The best month is July (score 7.8/10). Difference:
- 🌡️ Max temperature : -1°F
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.4h/day
FAQ
FAQ — San Sebastián in August
Is August a good time to visit San Sebastián?
August is an excellent time to visit San Sebastián (score 7.8/10). With 75°F, 11.8h of sunshine and 40% rain, conditions are very favourable.
What to do in San Sebastián in August?
With 75°F max and 11.8h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in San Sebastián
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