Planning for the weather is an important factor for making your trip to Glenboro a success, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are February and January, with an average of -11°C. The snowiest months in Glenboro are April, November, January and March, with each month seeing an average of 37 cm of snowfall.