January in Metz averages a daily high of 3.8°C with nights around -0.7°C. Expect roughly 15.8 wet days totalling 79.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Metz is June–September.
Based on BERUS, GM (40.8km), 1995–2024. 29 years of January data.