With a population of around 1,400, Asteasu sits in Basque Country, Spain. The city operates in the Central European time zone.
In 2025, Asteasu recorded an average annual temperature of 58°F. The hottest temperatures reached 102°F in August; the coolest were 29°F in January. Total precipitation for the year was 51 inches, with the wettest month being November. Snowfall for the year totaled approximately 2 inches.
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