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 perfect 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Bilbao's climate page.
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
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 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 2025.
- 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
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Bilbao's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bilbao climate overview or explore weather in Spain.
