Alsasua Weather & Climate: Best Time to Visit

The climate in Alsasua is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 26°C (79°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 14°C (57°F) in August to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Alsasua has a notably wet climate with abundant precipitation, recording 1023 mm (40 in) of rain/snowfall per year. Alsasua can be quite wet during November, receiving approximately 109 mm (4.3 in) of precipitation over 15 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 49 mm (1.9 in) of precipitation spread across 10 rainy days days. For more details, please visit our Alsasua Precipitation page.

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

The average number of days each month with precipitation

Alsasua can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.7 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 Alsasua.

The city experiences its highest humidity in November, reaching 76%. In March, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year