May in Zelenodolsk averages a daily high of 19.8°C with nights around 9.2°C. Expect roughly 10 wet days totalling 37.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Zelenodolsk is May–August.
Based on KAZAN, RS (44.4km), 1995–2024. 25 years of May data.