Weather is probably a major factor when you plan your trip to Sooke, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 59°F, while the coldest months are February and December with an average of 39°F. The rainiest months in Sooke are November, January, December, and March, with each month seeing an average of 10 inches of rainfall.