April in Metz averages a daily high of 14.7°C with nights around 5.2°C. Expect roughly 10.9 wet days totalling 47.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Metz is June–September.
Based on BERUS, GM (40.8km), 1995–2024. 30 years of April data.