October in Zemun averages a daily high of 19°C with nights around 9.6°C. Expect roughly 8.3 wet days totalling 50.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Zemun is May–June.
Based on BELGRADE OBSERVATORY, RI (7.3km), 1995–2024. 30 years of October data.