August · Spain
Best time to visit Bilbao in August Weather, crowds & prices
Weather in Bilbao in August
Average temperature 22°C, 54 mm of rain, about 26 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.0/10
Ranked #2 of 12 months
- Avg temp
- 22°C
- Rainfall
- 54 mm
- Humidity
- 78%
- Days with 6h+ sun
- 26
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Bilbao scores 9.0/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 22°C, 54 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.
August is one of the strongest months in Bilbao (2nd)
At 22°C (71°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 54 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 13.9 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 9/10 (2nd of 12), just behind July at 9.6/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Bilbao in August?
- In August, Bilbao averages 22°C, 54 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
- Is August a good time to visit Bilbao?
- August earns a 9.0/10 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 August?
- Expect about 54 mm of rain in August. Average humidity is 78% 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.