Planning for the weather is a good way to make your trip to Mackenzie relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 13°C, while the coldest months are December and February, with an average of -9°C. The snowiest months in Mackenzie are December, January, February and November, with each month seeing an average of 23 cm of snowfall.