May in Lesosibirsk averages a daily high of 15.6°C with nights around 2.9°C. Expect roughly 12.4 wet days totalling 44.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lesosibirsk is June–August.
Based on ENISEJSK, RS (30.8km), 1995–2024. 30 years of May data.