August 9 is generally a great time to visit Bilbao. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 25°C weather. As it's peak season for Bilbao, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
Essential Travel Info for Bilbao
Currency
EUR
€ Euro
Language
Spanish
+3 more
Driving
Right side
Connect
As of June 2022, Bilbao has 5G from all ...
Safety
High Safety
GPI: 1.603
Bilbao Weather Forecast for August 9
"Warm & Sunny. Expect average highs of 25.4°C. 16% chance of rain."
What to Wear in Bilbao in August
Based on historical data for August 9, Bilbao typically experiences temperatures between 17.4°C and 25.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Bilbao
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
25.4°C
Daytime Peak
Average Low
17.4°C
Nighttime Low
Feels Like
26.4°C
☀️ Minor difference
Rain Chance
16%
Avg 0.8mm if it rains
Cloud Cover
52%
Overcast
Pressure
1017.9 hPa
Medium volatility
Bilbao Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.1°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Spain
Flight Traffic
High
84/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~158
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Bilbao
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:11
☀️ Noon
13:18
🌇 Sunset
20:25
⏱️ Daylight
14h 14m
Wind Speed
14.8 km/h
Gentle breeze
Sunshine
11.3 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Bilbao
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Bilbao
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Bilbao on August 9 averages 25.4°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 99/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Bilbao Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 10
25.8°C • 14% rain
Score
100
August 11
25.7°C • 14% rain
Score
100
August 12
25.5°C • 14% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Bilbao Worth Visiting on August 9?
Planning a trip to Bilbao on August 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.4°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 158 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Spain, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 22.1°C (swimming pool). Wave conditions are generally fun waves with heights around 1.04m.
📊 Historical Extremes: The hottest August 9 recorded in the last 30 years saw temperatures hit 39.3°C in 2023, while the coldest dropped to 13.6°C in 2021.