Bilbao weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Good
Best time to visit: June – October
What is the weather like in Bilbao in May?
In May, Bilbao is mild: daytime highs average 17 °C, and nights cool down to about 13 °C. Expect around 5 hours of sunshine a day. It rains often – on about 15 days, adding up to 83 mm. All in all, May is a good month for a holiday in Bilbao.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 39 min06:48 – 21:27
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 66 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Madrid
How the score comes together
- Temperatureweight 50 %88 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %25 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Bilbao in May: quick answers
Is Bilbao hot in May?
No. In May, Bilbao is mild: daytime highs average 17 °C and nights drop to about 13 °C.
Does it rain much in Bilbao in May?
It rains often – on about 15 days, adding up to 83 mm.
Bilbao month by month
The whole year in BilbaoAll destinations: SpainWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences