Originally Posted by
starlanet
and hot and dry in Summer

I'd rather visit Bariloche in Summer and Salta and the north in Winter: I don't like scorching hot weather. Some brave the heat by choice, that's not me for sure!

Definitely agree. Also you only really need 1 full day in Iguazu if you're not going to the Brazilian side also. When I went I took the first flight there from Buenos Aires, walked around everywhere and took a boat ride, and flew back the next day.