With a population of around 5,000, Sumatac sits in Federation of B&H, Bosnia and Herzegovina. The city operates in the Europe/Sarajevo time zone.
In 2025, Sumatac recorded an average annual temperature of 54°F. The hottest temperatures reached 97°F in June; the coolest were 17°F in December. Total precipitation for the year was 38 inches, with the wettest month being March. Snowfall for the year totaled approximately 7 inches.
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