December in Tobolsk averages a daily high of -10.7°C with nights around -18.9°C. Expect roughly 15.3 wet days totalling 28.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Tobolsk is May–August.
Based on TOBOLSK, RS (5.4km), 1995–2024. 24 years of December data.