Argentina in December
December is one of Argentina's weaker months (rank 10 of 12): its 17 destinations average 64/100, led by Cafayate at 91 — 27°C and 13 rainy days — while El Chaltén is cooler at 9°C and scores 73.
#10 of 12 months for Argentina · 17 destinations · updated September 2026 · climate normals from ERA5 reanalysis
🇦🇷 Argentina, month by month
64/100 in DecemberWhere in Argentina in December
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means December is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Argentina in December
- Flamingos on Laguna Nimez · El Calafate · 1 Oct – 31 Mar (usually)
- Argentine summer holidays · El Calafate and 4 more places · 20 Dec – 28 Feb
- Christmas and New Year · Mendoza and 6 more places · 24 Dec – 1 Jan
- January summer shutdown · Buenos Aires · 24 Dec – 1 Feb (usually)
- Penguins on Isla Martillo · Ushuaia · 1 Oct – 5 Apr (usually)
- Lupins on the roadsides · San Carlos de Bariloche · 15 Nov – 10 Jan (usually)
- Southern right whales · Puerto Madryn · 1 Jun – 15 Dec (usually)
- Penguins at Punta Tombo · Puerto Madryn · 1 Sep – 31 Mar
Seasons in force
Peak crowds at 8 of Argentina's 8 well-known places this month.