Patagonia · Month comparison
December vs March
March ranks #1 overall vs December at #7. Autumn colors on Patagonia's lenga beech forests — the most photogenic month and increasingly the expert's choice over the summer rush.
December
#7 of 12 months
Best match
Summer begins with 18+ hours of daylight and the W-trek booking up fast — Patagonia's season at its stride.
- ↑18+ hours of daylight in Torres del Paine by the solstice: the extended light makes multi-day trekking logistics easier and provides early morning starts in full daylight for the best sunrise conditions at the Mirador Base Torres
- ↑All infrastructure at full operation: Perito Moreno glacier walkways, Torres del Paine boat excursions, El Chaltén day hikes, and Ushuaia's Tierra del Fuego National Park all accessible without seasonal restriction
March
#1 of 12 months
Best match
Autumn colors on Patagonia's lenga beech forests — the most photogenic month and increasingly the expert's choice over the summer rush.
- ↑Lenga beech trees (the dominant Patagonian beech species) turn vivid red, orange, and gold from late March: the autumn color on the hillsides around Torres del Paine's Valle del Francés and on the slopes above El Chaltén is the landscape photography equivalent of New England in October
- ↑Crowds beginning to thin from February peak: refugio availability returns without advanced booking, trail experience significantly better with 30–40% fewer hikers on the W-trek
| Factor | December | March |
|---|---|---|
| Weather score | 8 | 7 |
| Value score | 4 | 5 |
| Crowd score | 4 | 5 |
| Events score | 7 | 8 |
| Atmosphere | 8 | 9 |
| Avg high temp | 13.5°C | 12.5°C |
| Monthly rain | 45mm | 42mm |
| Daily sunshine | 13hrs | 9hrs |
December trade-offs
- ↓W-trek refugio booking crisis in full effect: December departures require booking 6–9 months ahead through the CONAF-authorized operators; independent camping with reserved sites is the only last-minute option
- ↓Summer wind season begins: the strongest multi-day wind events of the year typically arrive in December, making the exposed sections of the W-trek's Day 3 (Paso John Gardner) technically demanding
March trade-offs
- ↓Daylight hours shortening rapidly (16h in early March to 13h by month-end): the long golden evening photography windows of January-February compressing
- ↓Wind patterns becoming less predictable as autumn approaches: calm days alternate with sudden strong gusts more randomly than in the summer season
Scores compare months within Patagonia. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →