April in Nikšić averages a daily high of 15.7°C with nights around 5.7°C. Expect roughly 8.5 wet days totalling 99.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nikšić is June–October.
Based on NIKSIC, MJ (1.5km), 1995–2024. 22 years of April data.