About Aci Castello, Sicily's Climate & Weather History

Aci Castello, in Sicily, Italy, is home to roughly 17,600 people in the Central European time zone at 37.6°N latitude.

In 2025, Aci Castello recorded an average annual temperature of 66°F. The hottest temperatures reached 102°F in July; the coolest were 43°F in February. Total precipitation for the year was 31 inches, with the wettest month being January.