Timing makes all the difference in Patagonia & the Perito Moreno Glacier. El Calafate's advancing glacier and El Chaltén's Fitz Roy peaks — the raw drama of the southern Andes. Here is what US & Mexican travellers should know about the seasons.
The short answer
October–April is the Patagonian season; December–February is warmest and best for trekking, with long daylight hours.
What makes Patagonia & the Perito Moreno Glacier special
- The Perito Moreno Glacier is one of the few advancing glaciers on Earth, calving huge ice blocks into Lago Argentino.
- El Chaltén is Argentina's trekking capital, beneath the Fitz Roy and Cerro Torre spires.
- Minitrekking lets you walk on the glacier and toast with glacier ice.
- The region is part of Los Glaciares National Park, a UNESCO site.
Planning from the United States and Mexico
Because South America shares convenient time zones with the Americas, so there is little to no jet lag from the US and Mexico, it pays to book flights early for the peak season. US and Mexican passport holders should note Brazil reinstated an e-Visa requirement for US citizens — Argentina and Chile are visa-free; confirm current rules before travel.
Frequently Asked Questions
When is the best time to visit Patagonia & the Perito Moreno Glacier?
October–April is the Patagonian season; December–February is warmest and best for trekking, with long daylight hours.
How do travellers from the United States and Mexico get to Patagonia & the Perito Moreno Glacier?
Most visitors fly from Miami, New York, Los Angeles, Houston, Dallas and Mexico City, with Miami offering the most non-stops to South America. South America shares convenient time zones with the Americas, so there is little to no jet lag from the US and Mexico.
Do I need a visa to visit Patagonia & the Perito Moreno Glacier?
For US & Mexican travellers, US and Mexican passport holders should note Brazil reinstated an e-Visa requirement for US citizens — Argentina and Chile are visa-free; confirm current rules before travel. We provide confirmed hotel vouchers and a day-by-day itinerary to support any application.
What is the peak season in Patagonia & the Perito Moreno Glacier?
October–April is the Patagonian season; December–February is warmest and best for trekking, with long daylight hours.
Can I visit Patagonia & the Perito Moreno Glacier on a shorter trip?
Yes — Patagonia & the Perito Moreno Glacier can be visited as a focused short break or as one stop on a longer South America itinerary. We tailor the length to your dates.
Will the weather affect the experiences?
Some activities in Patagonia & the Perito Moreno Glacier are seasonal. We plan your day-by-day itinerary around the best conditions for your travel dates.
Ready to plan your South America journey?
We craft private, tailor-made trips for travelers from the US & Mexico.
Browse South America Tours
