Bilbao Weather & Climate: Best Time to Visit

Visitors to Bilbao can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 24°C (75°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 13°C (55°F).

At night, temperatures range from around 17°C (63°F) in August to 6°C (43°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Bilbao is known for its substantial rainfall, with annual precipitation reaching 1199 mm (47 in). Bilbao can be quite wet during November, receiving approximately 146 mm (5.7 in) of precipitation over 17 rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 64 mm (2.5 in) of precipitation spread across 12 rainy days. For more details, please visit our Bilbao Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Bilbao can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 6.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Bilbao.

The city experiences its highest humidity in January, reaching 72%. In March, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year