June in Hannover averages a daily high of 22.1°C with nights around 11.3°C. Expect roughly 11.7 wet days totalling 53.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hannover is May–September.
Based on HANNOVER, GM (11.2km), 1995–2024. 30 years of June data.