December in Nikšić averages a daily high of 8°C with nights around 0.9°C. Expect roughly 11.3 wet days totalling 245.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Nikšić is June–October.
Based on NIKSIC, MJ (1.5km), 1995–2024. 14 years of December data.