When planning a visit to the Ardennes in Belgium, it helps to know that temperatures typically range from 6°C (43°F) in January up to 24°C (75°F) during the peak of July. Our detailed climate overview is based on data from Liège, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In the Ardennes, during the months of June, July, August and September you can expect comfortable weather, with average temperatures ranging from 20°C (68°F) to 24°C (75°F).
The colder weather is most prominent in the months of January, February and December.
Precipitation in the Ardennes remains relatively steady throughout the year, ranging from 96 mm (3.8 in) in December to 63 mm (2.5 in) in April.
For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.