October in Bihać averages a daily high of 16.7°C with nights around 5.2°C. Expect roughly 10.8 wet days totalling 141.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bihać is June–September.
Based on GOSPIC, HR (49.7km), 1995–2024. 29 years of October data.