April in Velsen-Zuid averages a daily high of 13.5°C with nights around 4.7°C. Expect roughly 10.5 wet days totalling 39mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Velsen-Zuid is June–September.
Based on WIJK AAN ZEE, NL (6km), 1995–2024. 23 years of April data.