Gradiska is a city of approximately 13,300 people in Srpska, Bosnia and Herzegovina. Located in the Europe/Sarajevo time zone at 45.1°N latitude.
In 2025, Gradiska recorded an average annual temperature of 56°F. The hottest temperatures reached 99°F in June; the coolest were 20°F in January. Total precipitation for the year was 24 inches, with the wettest month being March. Snowfall for the year totaled approximately 1 inches.
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