Planning for the weather is an important factor for making your trip to Kopaonik a success, especially when you’re splurging. The hottest months are usually August and July with an average temp of 59°F, while the coldest months are January and February with an average of 29°F. The snowiest months in Kopaonik are January, November, December, and March, with each month seeing an average of 17 inches of snowfall.