May in Tobolsk averages a daily high of 17.3°C with nights around 4.9°C. Expect roughly 10.8 wet days totalling 41.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tobolsk is May–August.
Based on TOBOLSK, RS (5.4km), 1995–2024. 30 years of May data.