December in Bitlis averages a daily high of 9.6°C with nights around 2.7°C. Expect roughly 10.9 wet days totalling 79.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Bitlis is April–May.
Based on SIIRT, TU (55.6km), 1995–2024. 13 years of December data.