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What’s Bilbao Like in August?

Bilbao in August experiences warm, often humid weather characteristic of its oceanic climate. Average daytime temperatures typically range from 20°C to 26°C (68°F to 79°F), with nights cooling to around 15°C to 18°C (59°F to 64°F) [estimated]. While summer, rainfall is still possible, with an average of 8-10 rainy days during the month [estimated]. Humidity can be noticeable.

What are Typical Costs and Availability in August?

August is peak tourist season in Bilbao.

What to Expect (Crowds, Events, Conditions)

Expect significant crowds, especially around major attractions like the Guggenheim Museum and in the Casco Viejo (Old Town). The biggest event is often Aste Nagusia (Bilbao’s Grand Week), a 9-day festival starting around mid-to-late August, featuring concerts, fireworks, bullfights, and street festivities. This period sees very high visitor numbers and a lively atmosphere. Queues for popular sites will be longer.

What are the Best Activities for August?

  1. Guggenheim Museum Bilbao: An essential visit, offering world-class modern and contemporary art. Book tickets online in advance to save time.
  2. Explore Casco Viejo: Wander the Seven Streets, enjoy pintxos, and soak in the historic atmosphere.
  3. Aste Nagusia: If visiting during the festival, immerse yourself in the concerts, traditional Basque sports, and nightly fireworks.
  4. Beach Day: Take the metro to nearby coastal towns like Getxo or Plentzia for a dip in the Bay of Biscay.
  5. Funicular de Artxanda: Ride up for panoramic views of the city.

For finding free amenities like public restrooms or water fountains, consider using tools like AllInMap during your visit.

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