2026 Climate Averages

Weather: Bilbao — August

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

August is an excellent time to visit Bilbao. Warm weather with highs of 25°C—great for outdoor activities. Rain is common, so pack an umbrella. As peak season, expect higher prices and more tourists.

6.5
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

25°C

Avg Low

18°C

Rainy days

11days

Daylight

14h

Feels like 27°C / 20°C — humidity makes it feel warmer

Rainfall

55mm

Sunshine

10.9h/day

Humidity

80%

Very Humid
Sun Strength

7.6

Very High
Wind

16 km/h (gusts 32)

Is August a good time to visit Bilbao?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Peak Rates

Daylight

Sunrise

07:17

Sunset

21:18

14h daylight

Visiting Bilbao in August: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Long daylight hours maximize sightseeing time
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices

Things to Do in August

Events & Festivals

🎉
Aste Nagusia (Semana Grande)
Mid-August (9 days) Festival

Recommended for This Weather

🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Bilbao Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 13°C 8°C 15d (111mm) 5.9h
78% Humid
2.4 Moderate
Wet
Feb 15°C 9°C 12d (78mm) 7.3h
77% Humid
3.6 Moderate
Good
Mar 16°C 9°C 17d (92mm) 8.7h
75% Humid
5.2 High
Wet
Apr 17°C 11°C 14d (83mm) 9.7h
77% Humid
6.9 High
Wet
May 19°C 13°C 15d (86mm) 10.8h
81% Very Humid
8 Very High
Excellent
Jun 22°C 16°C 14d (96mm) 10.5h
83% Very Humid
8 Very High
Excellent
Jul 24°C 18°C 9d (37mm) 11.5h
80% Very Humid
8.6 Very High
Excellent
Aug Current 25°C 18°C 11d (55mm) 10.9h
80% Very Humid
7.6 Very High
Excellent
Sep 23°C 17°C 15d (101mm) 9.3h
79% Humid
5.7 High
Excellent
Oct 21°C 15°C 11d (101mm) 7.8h
77% Humid
4.2 Moderate
Good
Nov 17°C 11°C 16d (145mm) 6.3h
78% Humid
2.6 Moderate
Wet
Dec 14°C 9°C 17d (136mm) 5.6h
79% Humid
2 Low
Wet

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Your Best MonthAprScore: 7.5
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5.212.May
4.3

Where to Stay

See hotels, apartments & rentals around Bilbao – live prices from Booking.com, Expedia, Vrbo and more

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Bilbao

Titanium Guggenheim Museum, pintxos bars in Casco Viejo and a Basque cultural renaissance.

View Full Destination Guide

What to Pack for August

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Very Busy

🎒Personalized Packing List

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Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Bilbao?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is August a good time to visit Bilbao?
August is typically excellent for visiting Bilbao, with average highs of 25°C and around 11 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Bilbao in August?
Evenings in Bilbao during August are mild at 18°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Bilbao in August?
With highs of 25°C and lows of 18°C in August, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Bilbao in August?
Bilbao typically sees around 11 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Bilbao in August?
In August, Bilbao gets approximately 14 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Bilbao?
Yes, August is peak season in Bilbao. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Madrid)

Last Updated: February 2026

More Bilbao Guides

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