Bilbao
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Bilbao Weather in August

Thinking of visiting Bilbao in August? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 17°C (63°F) at night, with the driest conditions of the year.

Rainfall in Bilbao in August

Conditions tend to be dry and settled, making it a good month for outdoor plans. Historically, August sees about 12 days of rain, with a monthly average of 64 mm (2.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Bilbao in August

Weather in Bilbao is at its excellent in August. Highs reach 24°C (75°F), while nights settle around 17°C (63°F). The summer season is characteristic of August. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it is the month with the highest temperature of the year.

Sunshine in Bilbao in August

The area enjoys a moderate level of sunlight, with around 179 hours. It's a good balance between sunny and cloudy days.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Bilbao.

Bilbao Temperature in August

Min Temperature
17°C (63°F)
Max Temperature
24°C (75°F)
Chance of Rain
41%
Precipitation
64 mm (2.5 in)
Rainy days
12 days
Humidity
72%
Sunshine
179 hours
Percentage Sunshine

Bilbao Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bilbao - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Bilbao typically stay consistent throughout August, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 15°C (59°F).

Average temperatures in August

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

Historical weather records for Bilbao in August

Browse day-by-day weather records for Bilbao spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Bilbao historical weather extremes in August

The extremes listed below come from historical weather data collected in Bilbao from 1976 through 2026.

  • The warmest day in August was on August 1, 2004, with a maximum of 40°C (104°F).
  • On August 24, 1993, Bilbao saw its coldest August day with temperatures maxing out at 17°C (63°F).
  • The coldest night in August in Bilbao was on August 22, 1982, with a minimum of 3°C (37°F).

Best Places in Spain in August

Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Bilbao in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Bilbao in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    8/10
  • Outdoor sports
    10/10

Bilbao 3-Day Forecast

More climate data for Bilbao

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.