Visiting local bars in Shaunavon is more fun when you know what the weather holds. These rainfall averages and temperatures can help you decide the best time for bar hopping. The hottest months are usually July and August with an average temp of 64°F, while the coldest months are February and January with an average of 18°F. The snowiest months in Shaunavon are March, February, November, and April, with each month seeing an average of 5 inches of snowfall.