About Koska, County of Osijek Baranja's Climate & Weather History

With a population of around 1,200, Koska sits in County of Osijek-Baranja, Croatia. The city operates in the Europe/Zagreb time zone.

In 2025, Koska recorded an average annual temperature of 55°F. The hottest temperatures reached 99°F in June; the coolest were 20°F in February. Total precipitation for the year was 21 inches, with the wettest month being May. Snowfall for the year totaled approximately 2 inches.