April in Offenburg averages a daily high of 17°C with nights around 5.2°C. Expect roughly 12.1 wet days totalling 67.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Offenburg is June–September.
Based on OHLSBACH, GM (5.7km), 1995–2024. 26 years of April data.