Weather is probably a major factor when you plan your trip to Fuegen, 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 14°C, while the coldest months are January and February, with an average of -3°C. The rainiest months in Fuegen are May, June, July and August, with each month seeing an average of 228 mm of rainfall.