March in Harburg averages a daily high of 9.3°C with nights around 1.6°C. Expect roughly 13.4 wet days totalling 55.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Harburg is May–September.
Based on HAMBURG NEUWIEDENTHAL, GM (6km), 1995–2024. 30 years of March data.