December in Saarbrücken averages a daily high of 6.4°C with nights around 1.2°C. Expect roughly 16.5 wet days totalling 84.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Saarbrücken is May–September.
Based on SAARBRUCKEN BURBACH, GM (5.5km), 1995–2024. 24 years of December data.