Planning for the weather is a good way to make your trip to Scottdale relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 20°C, while the coldest months are January and February, with an average of 1°C. The snowiest months in Scottdale are January, February, December and November, with each month seeing an average of 17 cm of snowfall.