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March is when South America exhales after the summer rush. The crowds thin, autumn colours begin to touch Patagonia, and Argentina's wine country celebrates the grape harvest. With warm days and better value, it's one of the loveliest — and most underrated — months to visit.
March marks the start of southern autumn. Patagonia stays mild but begins to cool, with the first hints of autumn colour late in the month. The tropics remain warm, and crucially the Andes are drying out as the wet season fades, leaving landscapes green and fresh.
It's a transitional month — generally settled, with warm days and cooler evenings.
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March is harvest time in Argentina's Mendoza, and the region celebrates with the Fiesta Nacional de la Vendimia, a joyful festival of parades, music and wine.
It's a wonderful time to pair Malbec with mountain scenery.
By late March the southern beech forests begin their transformation into red and gold, and the fierce summer winds start to ease. The trails around Torres del Paine and El Chaltén grow quieter and the light turns beautifully soft.
Travel earlier in March for full services, as some refugios begin to wind down towards season's end.
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With the wet season fading, the Inca Trail reopens after its February closure, and Peru's Sacred Valley is lush and uncrowded. Machu Picchu enjoys shoulder-season calm, and the Iguazú Falls remain full from the summer rains.
It's an excellent month to combine cultural highlights with fewer visitors and gentler prices.
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March offers a great balance of good weather, autumn colour and thinner crowds, but it's a season in transition. In Patagonia, check what's still open and travel in the first half of the month. Elsewhere, pack layers for warm days and cool nights.
March's quieter charm rewards travellers who know where to look — the harvest in Mendoza, the first blush of autumn in the south, the reopened Inca Trail. Our small-group trips are timed to catch these moments at their best, with guides who know the continent's rhythms. Explore our South America trips and enjoy the shoulder season at its finest.
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