Weather will likely play an important role when you plan your trip to Paris, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and April with an average temp of 80°F, while the coldest months are February and March with an average of 78°F. The snowiest months in Paris are April, May, August, and July, with each month seeing an average of 83 inches of snowfall.