Metz, where it's located

The climate of Metz is semi-continental, characterized by cold and gray winters, accompanied by frequent snowfalls, although generally not abundant, and warm summers, with some hot days, and with some chance of thunderstorms.
The city is located in the north-east of France, in Lorraine, a short distance from the border with Germany and Luxembourg.
The average temperature of the coldest month (January) is of 2.2 °C (36 °F), that of the warmest month (July) is of 19.7 °C (67 °F). Here are the average temperatures.
Metz - Average temperatures
Min (°C)0025912141410731
Max (°C)56111520232525201596
Min (°F)323236414854575750453734
Max (°F)414352596873777768594843

Precipitation amounts to 760 millimeters (29.9 inches) per year: so, it is at an intermediate level. It ranges from 50 mm (2 in) in the driest month (April) to 80 mm (3.1 in) in the wettest (December). Here is the average precipitation.
Metz - Average precipitation

On average, there are around 1,640 sunshine hours per year. Here are the average sunshine hours per day.
Metz - Sunshine


Best Time

The best time to visit Metz runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.