March in Hannover averages a daily high of 9.4°C with nights around 1.2°C. Expect roughly 12.8 wet days totalling 43.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Hannover is May–September.
Based on HANNOVER, GM (11.2km), 1995–2024. 30 years of March data.