May in Linz averages a daily high of 20.3°C with nights around 9.9°C. Expect roughly 14.5 wet days totalling 109.9mm. 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 May data.