Weather in Argentina in March

March brings a gradual cooling to Argentina, and with it comes changing landscapes. Whether you seek warm northern adventures or the tranquility of Patagonian fall, here’s our guide to the weather in Argentina in March, with tips from our local travel experts.

Argentina in March at a glance

• March brings fall to Argentina with harvest season in wine regions and excellent weather for both cities and outdoor activities.
• Average temperatures: Buenos Aires 64°F-79°F (18°C-26°C); Patagonia 8-18°C; Northwest 15-25°C
• Excellent time to visit: Perfect fall weather nationwide, grape harvest in Mendoza, still warm enough for Patagonia
• Moderate crowds as summer vacations end; costs dropping from peak summer prices, good value emerging

What is the weather like in Argentina in March?

The weather in Argentina in March marks the beginning of fall, with regional differences that give you a lot of choice. Buenos Aires is still warm and lively, while Patagonia begins to cool, making it a good time to explore before winter hits.

In Mendoza and other wine regions, harvest season is in full swing, bringing sunny days and festive energy to the vineyards. Rainfall picks up in the north, but most central areas stay fairly dry. March is a great time to travel across Argentina if you want a mix of events, landscapes, and manageable crowds. This is a great month to plan your Argentina itinerary.

Average daily temperatures in March

March in Argentina signals the start of fall, especially in central and southern regions. In Buenos Aires, average highs reach 75 to 80°F (24 to 27°C), while nights cool down to 55 to 60°F (13 to 16°C). Northern cities like Salta stay warmer, with temperatures ranging from 65 to 82°F (18 to 28°C).

In Patagonia, things are much cooler, with highs between 45 to 65°F (7 to 18°C). Coastal water temperatures hover around 68 to 72°F (20 to 22°C), still decent for a swim if you don’t mind it a bit brisk. March is a great time to visit wine regions like Mendoza, where harvest season is just getting underway.

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Is March a good time to visit Argentina?

March hits the sweet spot for travel in Argentina. It’s the start of fall, which means more comfortable weather across the country. Buenos Aires feels cooler and more walkable, while the vineyards around Mendoza begin harvest season with wine festivals and tours. 
Patagonia stays open and still has good hiking conditions, with the first signs of fall colors appearing in the forests. Coastal areas stay warm enough for beach time, but crowds begin to thin out after the summer vacations. If you want a bit of everything — city culture, nature, and food — this is a great month to go. For more tips, see our guide to how to plan a trip to Argentina.

• Wine harvest season in Mendoza
• Comfortable temperatures across regions
• Fewer crowds after local vacations
• Ideal for hiking, city strolls, and cafes
• Fall colors starting in southern forests

What about crowds and costs in March?

March in Argentina is the end of summer, and this leads to a gradual decrease in crowds. While some destinations will still see a large number of tourists (especially if you plan your trip for early March), the overall atmosphere becomes more tranquil.

Accommodation and travel costs remain moderate over March. For those who are budget-conscious, this is a great time to take advantage of the weather in Argentina in March but also to save some money by skipping the peak-season expenses.  If you're still deciding, see our guide to the best time to visit Argentina. 

Best places to go in Argentina in March

March lands right in the middle of Argentina’s fall season, which means cooler weather, beautiful scenery, and local events. Here are some of the best places to visit in Argentina. 

Bariloche and the Lake District

This region is especially pretty in fall. The air turns crisp, and the trees take on deep oranges and reds. You can still hike around the lakes and mountains without needing heavy gear, and the summer crowds are gone. Cafés and chocolate stores in town add a cozy feel to the cooler days.  For more advice, see our Argentina travel tips. 

Mendoza

Vendimia, the grape harvest festival, takes over Mendoza in March. Wineries are full of activity, and there’s a party atmosphere in town. You can join tastings, tours, and local events while enjoying comfortable weather and clear skies. This is a great time for wine lovers and people who like food travel. 

Salta and Jujuy

In the northwest, March brings dry weather and excellent light for photography in Salta. The landscapes here range from colorful mountains to cactus-covered deserts. You can explore small villages with traditional markets and get off the beaten path without worrying about road conditions. It’s a good mix of culture and scenery, and it’s still early enough in the season to avoid crowds.

Best things to do in March

March is a great time to explore Argentina; here’s our pick of the best things to do during your trip. For more inspiration, see our guide to the best things to do in Argentina.

Visit the Andean Northwest

March offers an excellent opportunity to explore the Andean Northwest of Argentina. From the colorful mountains of Purmamarca to the colonial architecture of Salta City, the Andean Northwest is known for its captivating landscapes, charming villages, and vibrant culture.

Discover the Iberá Wetlands

Ready for a wildlife adventure? Don’t miss the Iberá Wetlands, one of the world's largest freshwater wetlands. This biodiverse ecosystem in northeastern Argentina comes to life during March, providing a prime opportunity for birdwatching, boat tours, and encounters with unique flora and fauna.

Discover the natural beauty of marshes, lagoons, and grasslands while contributing to the conservation efforts of this ecologically significant area. For 11-day Argentina trips, Iberá adds a quieter, wildlife-focused contrast to the country’s better-known cities, mountains, and glaciers.

Hike in El Bolsón

March beckons outdoor enthusiasts to El Bolsón, nestled in the Andes of Patagonia. This charming town is surrounded by stunning landscapes, including pristine lakes and lush forests. Take advantage of the milder temperatures to hike the scenic trails, such as those in the nearby Lago Puelo National Park. See our picks of the best hikes in Argentina.

Explore Ischigualasto Provincial Park

Journey back in time by exploring Ischigualasto Provincial Park, also known as the Valle de la Luna (Valley of the Moon), in March. This UNESCO World Heritage Site showcases a unique lunar-like landscape with fascinating geological formations and ancient fossils.

Planning your itinerary

Our Argentina itineraries are crafted to help you experience the best of the country, stress-free. Think of them as a starting point — perfect for planning, but flexible enough to adjust to your own pace and interests. After all, travel is about freedom, but a little planning goes a long way.

• Argentina itinerary 7 days: A week in Argentina gives you a quick overview of the country’s highlights. Expect to experience a mix of city culture and one iconic natural destination.
• Argentina itinerary 14 days: Two weeks in Argentina lets you experience the country’s full diversity, from bustling cities to remote natural wonders.