December in Lesosibirsk averages a daily high of -13.7°C with nights around -21.3°C. Expect roughly 20.3 wet days totalling 36.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Lesosibirsk is June–August.
Based on ENISEJSK, RS (30.8km), 1995–2024. 24 years of December data.