Planning for the weather is a good way to make your trip to 108 Mile Ranch relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August with an average temp of 58°F, while the coldest months are February and December with an average of 22°F. The snowiest months in 108 Mile Ranch are January, April, February, and March, with each month seeing an average of 20 inches of snowfall.