Weather will likely play an important role when you plan your trip to Coyhaique Alto, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and January with an average temp of 50°F, while the coldest months are July and June with an average of 35°F. The rainiest months in Coyhaique Alto are June, August, May, and July, with each month seeing an average of 10 inches of rainfall.