December in Uman averages a daily high of 0.8°C with nights around -4.3°C. Expect roughly 11.4 wet days totalling 41.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Uman is May–June.
Based on UMAN, UP (2.3km), 1995–2024. 25 years of December data.