Month-by-month travel weather
Bilbao May weather
Bilbao, Spain · May
A light waterproof layer buys comfort
May is generally easier for long days outside, with more comfortable afternoons.
But drizzle can still show up—light waterproofing keeps you flexible.
May averages at a glance
Average low
around 11–13°C
Average high
around 18–21°C
Average rainfall
around 70–120 mm
Rainy days
about 9–13 days
What to wear in May in Bilbao
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Light layers and a thin outer layer work well.
- • Light waterproof jacket option helps.
- • Cushioned shoes help for long walks.
Travel tips for visiting Bilbao in May
- • Time coastal/river walks for drier windows.
- • Use cafés/museums to break up wet periods.
May weather in Bilbao — FAQ
Q. Is May summer-like?
A. Warmer, but evenings can still be cool and rain can happen.
Q. Do I need an umbrella?
A. As an option yes—though a waterproof jacket is often more effective.
Explore Bilbao
These pages are connected so you can compare conditions and decide for yourself.