About Omis, Split Dalmatia's Climate & Weather History

With a population of around 6,000, Omis sits in Split-Dalmatia, Croatia. The city operates in the Europe/Zagreb time zone.

In 2025, Omis recorded an average annual temperature of 61°F. The hottest temperatures reached 102°F in August; the coolest were 31°F in February. Total precipitation for the year was 53 inches, with the wettest month being March. Snowfall for the year totaled approximately 1 inches.