Planning for the weather is a good way to make your trip to Wollaston Lake relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 12°C, while the coldest months are February and January, with an average of -19°C. The snowiest months in Wollaston Lake are January, March, February and April, with each month seeing an average of 167 cm of snowfall.