Weather is probably a major factor when you plan your trip to Quathiaski Cove, but bear 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 temperature of 16°C, while the coldest months are February and December, with an average of 2°C. The rainiest months in Quathiaski Cove are November, January, December and October, with each month seeing an average of 311 mm of rainfall.