May in Longnan averages a daily high of 27.1°C with nights around 15.6°C. Expect roughly 11.4 wet days totalling 60.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Longnan is March–May.
Based on WUDU, CH (0.2km), 1995–2024. 24 years of May data.