April in Hailun averages a daily high of 12.1°C with nights around -0.2°C. Expect roughly 6.1 wet days totalling 25.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hailun is May.
Based on HAILUN, CH (3.5km), 1995–2024. 25 years of April data.