Weather will likely play an important role when you plan your trip to Caviahue, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February, with an average temperature of 14°C, while the coldest months are July and August, with an average of 2°C. The rainiest months in Caviahue are June, August, July and May, with each month seeing an average of 383 mm of rainfall.