April in Mostar averages a daily high of 20.5°C with nights around 9.7°C. Expect roughly 11.4 wet days totalling 114mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Mostar is April–May.
Based on MOSTAR, BK (1km), 1995–2024. 18 years of April data.