The seasons in Argentina are the reverse of those in the Northern Hemisphere. Spring and autumn are a good time to visit Buenos Aires, which can otherwise be quite sticky and humid. To enjoy Argentina’s incredible mountain scenery on a private tour, Summer is the only time you can climb the tallest Andean peaks and is the most reliable time of year to visit Tierra del Fuego. Autumn is a great time to visit the wine regions and Patagonia where the beech groves turn rusty red and orange.