May in Songnan averages a daily high of 25.6°C with nights around 17.3°C. Expect roughly 9.3 wet days totalling 87.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Songnan is September–November.
Based on SHANGHAI, CH (5.7km), 1995–2024. 24 years of May data.