April in Amersfoort averages a daily high of 14.8°C with nights around 4.5°C. Expect roughly 10.6 wet days totalling 44.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Amersfoort is May–September.
Based on DE BILT, NL (15.5km), 1995–2024. 30 years of April data.