Weather is probably a major factor when you plan your trip to Champagny-en-Vanoise, 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 12°C, while the coldest months are January and February, with an average of -5°C. The rainiest months in Champagny-en-Vanoise are December, May, November and January, with each month seeing an average of 181 mm of rainfall.