April in Zürich averages a daily high of 14.9°C with nights around 5.2°C. Expect roughly 11.9 wet days totalling 79.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Zürich is May–September.
Based on ZUERICH FLUNTERN, SZ (2.2km), 1995–2024. 30 years of April data.