December in Desna averages a daily high of -0.4°C with nights around -5.2°C. Expect roughly 11.3 wet days totalling 40.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Desna is May–September.
Based on KIEV, UP (17.2km), 1995–2024. 10 years of December data.