Taking into account the local weather in Quelloúno is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually September and October with an average temp of 54°F, while the coldest months are July and June with an average of 51°F. The rainiest months in Quelloúno are December, February, January, and March, with each month seeing an average of 13 inches of rainfall.