Don’t forget that Argentina is in the southern hemisphere so the seasons are reversed, December is in summer and June is in winter.
Quick guide:

  • Winter (Jun, Jul, Aug) – cold (5º to 10º C);
  • Spring (Sep, Oct, Nov) – pleasant (10º to 20º C);
  • Summer (Dec, Jan, Feb) – dry desert type heat (20º to 30º C);
  • Fall/Autumn (Mar, Apr, May) – pleasant (10º to 20º C).