April in Linz averages a daily high of 16°C with nights around 5.6°C. Expect roughly 11.9 wet days totalling 61.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Linz is May–September.
Based on KREMSMUENSTER, AU (30.7km), 1995–2024. 30 years of April data.