Quick decision
When to visit Bilbao?
🌞 Best time overall
August
🌡️ Optimal temperature
17°C–25°C in August
🌧 Least rain
30% rainy days in August
🌧 Wettest month
January (50%)
📅 Best score
8.2/10
By trip type
Best time by type of trip
Guggenheim & ArtYear-round — Guggenheim Museum, Casco Viejo and contemporary galleries.
PintxosYear-round — Plaza Nueva, Ledesma street and Michelin stars.
SurfingApril–October — Mundaka, Sopelana and Cantabrian coast spots.
HikingMay–October — San Juan de Gaztelugatxe, Urdaibai and the Basque coast.
Monthly climate data
Bilbao weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | 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
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 17°C, 49% rainy days, 10.3h sunshine/day. Score: 6.6/10.
☀️ Summer (Jun–Aug) — Good time
Average 24°C, 34% rainy days, 11.8h sunshine/day. Score: 8.0/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 20°C, 45% rainy days, 8.8h sunshine/day. Score: 6.5/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 14°C, 49% rainy days, 6.5h sunshine/day. Score: 4.4/10.
Accommodation
Find a place to stay in Bilbao
Check availability during the recommended period
Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
Search on Hotels.comActivities & tours
Activities and tours in Bilbao
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
August is ideal with 30% rainy days and 25°C.
January is the wettest month with 50% rainy days.
Yes, August is the best month with an average of 25°C.
In winter, the average score is 4.4/10. Difficult period — prefer the peak season.
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