San Sebastián · SpringMonth summary
San Sebastián weather in May
✅ Good
🌡️ Temperature min / max
54°F – 64°F
🌧 Rainy days
52% of days
☀️ Sunshine
11.6h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
July (7.8/10)
Quick decision
Should you visit San Sebastián in May?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: May is a good time to visit San Sebastián. July remains slightly better (+0.8 pts).
By trip type
San Sebastián in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in May
Spring marks the start of the good season in San Sebastián. Temperatures rise (18°F) and tourists have not yet arrived en masse. With 52% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. July (7.8/10) is significantly better if possible.
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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 May, San Sebastián averages 64°F, 52% rainy days and 11.6h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
May vs July (best month)
The best month is July (score 7.8/10). Difference:
- 🌡️ Max temperature : +5°F
- 🌧 Rainy days : -12%
- ☀️ Sunshine : +0.6h/day
FAQ
FAQ — San Sebastián in May
Is May a good time to visit San Sebastián?
May is an acceptable time for San Sebastián (score 7.0/10). Conditions are decent but not optimal — consider July (7.8/10) if possible.
Does it rain a lot in San Sebastián in May?
Yes, 52% of days see rain in May. Plan some indoor activities as backup.
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