April in Arnhem averages a daily high of 14.9°C with nights around 3.7°C. Expect roughly 10.9 wet days totalling 46.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Arnhem is May–September.
Based on DEELEN, NL (8.8km), 1995–2024. 30 years of April data.