June in Amersfoort averages a daily high of 21.3°C with nights around 11°C. Expect roughly 11.6 wet days totalling 66mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Amersfoort is May–September.
Based on DE BILT, NL (15.5km), 1995–2024. 30 years of June data.