April in Oberhausen averages a daily high of 14.4°C with nights around 5.8°C. Expect roughly 11.7 wet days totalling 55.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Oberhausen is May–September.
Based on ESSEN BREDENEY, GM (10.9km), 1995–2024. 30 years of April data.