Best Times to Go
Seasons are the reverse of those in the Northern Hemisphere. Buenos Aires is ideal in fall, March to May; and spring is September to November, when temperatures are mild. Plan a trip to Patagonia and the southern Andes in summer, December to March, when days are longer and warmer. June to August is winter and the best time for Iguassu and the Northwest. Rain and heat subside. But spring, August to October, has pleasant temperatures and fewer crowds.
While the world has been changing, we have been exploring.