Planning for the weather is a good way to make your trip to Skaftafell relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August with an average temp of 49°F, while the coldest months are January and December with an average of 30°F. The snowiest months in Skaftafell are February, January, March, and December, with each month seeing an average of 46 inches of snowfall.