About Caltanissetta, Sicily's Climate & Weather History

Caltanissetta is a city of approximately 62,800 people in Sicily, Italy. Located in the Central European time zone at 37.5°N latitude.

In 2025, Caltanissetta recorded an average annual temperature of 60°F. The hottest temperatures reached 105°F in July; the coolest were 31°F in January. Total precipitation for the year was 24 inches, with the wettest month being February.