Weather will likely play an important role when you plan your trip to Villers-le-Lac, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 16°C, while the coldest months are January and February, with an average of 1°C. The rainiest months in Villers-le-Lac are June, May, December and July, with each month seeing an average of 186 mm of rainfall.