April in Zaandam averages a daily high of 14.2°C with nights around 5.2°C. Expect roughly 11.2 wet days totalling 41.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Zaandam is May–September.
Based on SCHIPHOL, NL (13.9km), 1995–2024. 30 years of April data.