About Sinj, Split Dalmatia's Climate & Weather History

Sinj is a city of approximately 10,800 people in Split-Dalmatia, Croatia. Located in the Europe/Zagreb time zone at 43.7°N latitude.

In 2025, Sinj recorded an average annual temperature of 56°F. The hottest temperatures reached 98°F in August; the coolest were 15°F in January. Total precipitation for the year was 53 inches, with the wettest month being March. Snowfall for the year totaled approximately 4 inches.