May · Spain
Best time to visit Bilbao in May Weather, crowds & prices
Weather in Bilbao in May
Average temperature 16°C, 73 mm of rain, about 26 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.5/10
Ranked #4 of 12 months
- Avg temp
- 16°C
- Rainfall
- 73 mm
- Humidity
- 80%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Bilbao scores 8.5/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 16°C, 73 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Bilbao's Guggenheim curves along the Nervión, with the Casco Viejo and Artxanda funicular a short walk or ride away.
May ranks 4th of 12 for Bilbao — one of the best windows
Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 73 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 14.7 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Bilbao at 8.5/10 (4th of 12), just behind July at 9.6/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Bilbao in May?
- In May, Bilbao averages 16°C, 73 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
- Is May a good time to visit Bilbao?
- May earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bilbao in May?
- Expect about 73 mm of rain in May. Average humidity is 80% and there are about 26 days with 6+ hours of sunshine.
Curated in Bilbao
Tickets & experiences
Things to do in Bilbao
Bilbao, Spain. Live activities and tours from GetYourGuide, matched to this destination.