May in Botou averages a daily high of 27.6°C with nights around 15.3°C. Expect roughly 5.1 wet days totalling 31.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Botou is April–May.
Based on POTOU, CH (1.8km), 1995–2024. 23 years of May data.