March in Graz averages a daily high of 12.1°C with nights around 1.6°C. Expect roughly 7.5 wet days totalling 32.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Graz is April–September.
Based on GRAZ, AU (1.9km), 1995–2024. 28 years of March data.