Bilbao · SpringMonth summary
Bilbao weather in May
✅ Good
🌡️ Temperature min / max
11°C – 19°C
🌧 Rainy days
46% of days
☀️ Sunshine
11.7h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
August (8.2/10)
Quick decision
Should you visit Bilbao in May?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: May is a good time to visit Bilbao. August remains slightly better (+1.0 pts).
By trip type
Bilbao 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
🎯 Balanced surf conditions — consistent waves and fewer surfers in the lineup Spring marks the start of the good season in Bilbao. Temperatures rise (19°C) and tourists have not yet arrived en masse. With 46% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. August (8.2/10) is significantly better if possible.
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All months for Bilbao
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 6°C | 12°C | 50% | 4.6 | 5.9h | 4.0/10 |
| 🌦️ February | 6°C | 15°C | 47% | 3.8 | 7.6h | 5.0/10 |
| 🌦️ March | 7°C | 16°C | 54% | 3.4 | 9.0h | 5.5/10 |
| 🌦️ April | 9°C | 17°C | 46% | 2.9 | 10.2h | 7.0/10 |
| 🌦️ May | 11°C | 19°C | 46% | 2.6 | 11.7h | 7.2/10 |
| 🌤️ June | 15°C | 23°C | 41% | 2.3 | 11.3h | 7.6/10 |
| 🌤️ July | 17°C | 24°C | 31% | 1.5 | 12.1h | 8.1/10 |
| 🌤️ August | 17°C | 25°C | 30% | 1.6 | 11.9h | 8.2/10 |
| 🌤️ September | 15°C | 24°C | 40% | 2.6 | 10.7h | 7.7/10 |
| 🌦️ October | 13°C | 21°C | 41% | 3.2 | 8.7h | 7.2/10 |
| 🌦️ November | 9°C | 16°C | 55% | 5.5 | 6.9h | 4.6/10 |
| 🌦️ December | 7°C | 14°C | 49% | 4.1 | 6.0h | 4.2/10 |
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, Bilbao averages 19°C, 46% rainy days and 11.7h of sunshine per day. Overall weather score: 7.2/10.
See methodology →
Comparison
May vs August (best month)
The best month is August (score 8.2/10). Difference:
- 🌡️ Max temperature : +6°C
- 🌧 Rainy days : -16%
- ☀️ Sunshine : +0.2h/day
FAQ
FAQ — Bilbao in May
Is May a good time to visit Bilbao?
May is an acceptable time for Bilbao (score 7.2/10). Conditions are decent but not optimal — consider August (8.2/10) if possible.
What to do in Bilbao in May?
With 19°C max and 11.7h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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