Bilbao · SummerMonth summary
Bilbao weather in August
✅ Good
🌡️ Temperature min / max
17°C – 25°C
🌧 Rainy days
30% of days
☀️ Sunshine
11.9h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.2/10
📅 📅 Best month
August (8.2/10)
Quick decision
Should you visit Bilbao in August?
✅ Good
✅ Yes if: you want long sunny days and outdoor activities.
❌ No if: you want to avoid summer crowds — this is peak tourist season.
Our take: August is a good time to visit Bilbao. August remains slightly better (+0.0 pts).
By trip type
Bilbao in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
🎯 Good hiking window — mild temperatures (26°C) and uncrowded trails Summer in Bilbao brings pleasant temperatures (25°C) and long sunny days (11.9h of sunshine). Expect rain on 30% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if August (8.2/10) remains theoretically better.
Browse by month
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 August, Bilbao averages 25°C, 30% rainy days and 11.9h of sunshine per day. Overall weather score: 8.2/10.
See methodology →
Comparison
August vs August (best month)
The best month is August (score 8.2/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Bilbao in August
Is August a good time to visit Bilbao?
August is an excellent time to visit Bilbao (score 8.2/10). With 25°C, 11.9h of sunshine and 30% rain, conditions are very favourable.
What to do in Bilbao in August?
With 25°C and 11.9h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
Find a place to stay in Bilbao
Find places to stay in Bilbao in August
Search on Hotels.com
Activities & tours
Activities and tours in Bilbao
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Bilbao
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in August
Biarritz🌍 Top destinations
Other top destinations in August
Larnaca
Saint Thomas
Cape Verde
Djerba
Turks and CaicosWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons