About Sarno, Campania's Climate & Weather History

Sarno is a city of approximately 28,800 people in Campania, Italy. Located in the Central European time zone at 40.8°N latitude.

In 2025, Sarno recorded an average annual temperature of 63°F. The hottest temperatures reached 106°F in July; the coolest were 34°F in March. Total precipitation for the year was 49 inches, with the wettest month being September.