May in Tyumen averages a daily high of 18.4°C with nights around 5.7°C. Expect roughly 11.2 wet days totalling 45.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tyumen is May–August.
Based on TYUMEN AMSG, RS (1.7km), 1995–2024. 25 years of May data.