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There isn’t one best time to visit Argentina – the whole country can be visited year-round.

That said, Patagonia (in the south of Argentina) is most accessible between December and March. The weather in Buenos Aires is generally hot over these months, but a visit in the cooler, crisp months of July and August can be delightful.

Over spring (September to November), the Lake District comes alive with wildflowers. Meanwhile, autumn in the wine valleys surrounding Mendoza features gold and copper-coloured vines, stark against the backdrop of the Andes.

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For me, October is an excellent time to visit Argentina. The heat of the summer in Buenos Aires hasn't arrived, but Patagonia's spring flowers are blooming and the whales and penguins are easy to spot from the Peninsula Valdes.

Nick, Latin America Specialist

Argentina Climate Guide

Destination Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bariloche 21°C 28mm 22°C 28mm 19°C 48mm 15°C 68mm 10°C 127mm 7°C 133mm 6°C 162mm 7°C 133mm 10°C 76mm 14°C 47mm 17°C 35mm 20°C 39mm
Buenos Aires 29°C 98mm 28°C 97mm 26°C 117mm 21°C 95mm 18°C 78mm 15°C 59mm 15°C 57mm 16°C 62mm 18°C 69mm 21°C 103mm 25°C 97mm 28°C 94mm
Córdoba 31°C 117mm 30°C 101mm 28°C 101mm 24°C 46mm 21°C 23mm 18°C 12mm 18°C 11mm 21°C 11mm 23°C 32mm 25°C 76mm 28°C 97mm 30°C 121mm
El Calafate 18°C 15mm 17°C 13mm 15°C 19mm 12°C 29mm 7°C 32mm 5°C 25mm 5°C 29mm 6°C 22mm 9°C 19mm 14°C 16mm 16°C 12mm 18°C 15mm
Iguazú Falls 32°C 165mm 32°C 140mm 30°C 145mm 27°C 148mm 24°C 153mm 22°C 131mm 23°C 99mm 25°C 103mm 27°C 142mm 29°C 192mm 31°C 162mm 31°C 148mm
Mendoza 32°C 34mm 31°C 29mm 28°C 26mm 23°C 12mm 19°C 8mm 15°C 7mm 15°C 7mm 18°C 5mm 21°C 11mm 25°C 20mm 29°C 21mm 31°C 27mm
Peninsula Valdes 24°C 11mm 24°C 13mm 22°C 29mm 19°C 26mm 15°C 30mm 12°C 22mm 12°C 27mm 13°C 10mm 15°C 20mm 18°C 14mm 21°C 13mm 23°C 14mm
Perito Moreno & Los Glaciares National Park 18°C 15mm 17°C 13mm 15°C 19mm 12°C 29mm 7°C 32mm 5°C 25mm 5°C 29mm 6°C 22mm 9°C 19mm 14°C 16mm 16°C 12mm 18°C 15mm
Salta & The Northwest 28°C 176mm 26°C 150mm 25°C 102mm 23°C 28mm 21°C 7mm 19°C 4mm 20°C 3mm 22°C 4mm 25°C 6mm 26°C 27mm 28°C 62mm 28°C 125mm
Ushuaia & Tierra del Fuego 14°C 56mm 13°C 49mm 12°C 54mm 10°C 54mm 7°C 54mm 5°C 52mm 5°C 46mm 5°C 46mm 8°C 36mm 10°C 37mm 12°C 50mm 13°C 47mm

Month-by-month guide to travelling in Argentina

Elephant Seal, Peninsula Valdes

Visiting Argentina in September

September and October are good months to visit the Peninsula Valdes. It's a great time for wildlife lovers, and you can expect sightings of whales, seals, penguins and lots of sea birds.

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Trip ideas and travel guides to exploring Argentina

Trip ideas for exploring Argentina