Castandiello is a city of approximately 3,100 people in Asturias, Spain. Located in the Central European time zone at 43.3°N latitude.
In 2025, Castandiello recorded an average annual temperature of 56°F. The hottest temperatures reached 102°F in August; the coolest were 27°F in January. Total precipitation for the year was 50 inches, with the wettest month being November. Snowfall for the year totaled approximately 2 inches.
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