December in Lüneburg averages a daily high of 5.1°C with nights around 0.8°C. Expect roughly 17.1 wet days totalling 64.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Lüneburg is May–September.
Based on WENDISCH EVERN, GM (5.5km), 1995–2024. 24 years of December data.