Weather is probably a major factor when you plan your trip to Fuegen, 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 57°F, while the coldest months are January and February with an average of 27°F. The rainiest months in Fuegen are May, June, July, and August, with each month seeing an average of 9 inches of rainfall.