April in Longtan averages a daily high of 20.2°C with nights around 11.5°C. Expect roughly 15.8 wet days totalling 132.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Longtan is September.
Based on YOUYANG, CH (21km), 1995–2024. 25 years of April data.