June in Osijek averages a daily high of 27°C with nights around 14.7°C. Expect roughly 10.5 wet days totalling 79.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Osijek is April–October.
Based on OSIJEK, HR (5.1km), 1995–2024. 29 years of June data.