Planning for the weather is a good way to make your trip to Alcan Border relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and June with an average temp of 54°F, while the coldest months are January and December with an average of -2°F. The snowiest months in Alcan Border are April, November, January, and October, with each month seeing an average of 14 inches of snowfall.