The currency is the Argentine peso, ARS. Foreign Visa and Mastercard usually get a tourist-friendly MEP rate close to the blue rate, so cards are actually useful now, especially in Buenos Aires and bigger cities. Still, carry cash for kiosks, tips, transport cards, produce markets, nightlife, and smaller shops. ATMs are the weak link, high fees, low limits, and sometimes no cash, so use them only as backup and always refuse dynamic currency conversion. Western Union is still popular for cash, but lines, short hours, and empty branches are common. Do not leave the country holding a pile of pesos.

Argentina splits neatly into four travel climates. The northeast, Iguazú and Misiones, is hot, humid, and rainy most of the year, with sticky summer highs often above 30°C. The center, Buenos Aires, Córdoba, Rosario, gets temperate seasons, roughly 15-21°C days in May and hot, humid summers. The northwest, Salta and Jujuy, is drier, with a summer rain season and cold nights at altitude. Patagonia is the wild card, cold, windy, and very seasonal. Late May to August can mean freezing temperatures, snow, and limited transport or trail access.

The main real risk is petty theft, especially phone snatching in Buenos Aires. Keep the phone off the curbside hand, stay sharp on buses, trains, and around Retiro, Constitución, San Telmo, and busy tourist streets. Distraction scams still happen, including the old mustard trick, and random street approaches are rarely worth the chat. At night, move with purpose and use Uber or Cabify instead of long walks through unfamiliar areas. Rosario deserves more caution than the usual backpacker stops. Outside the biggest cities, places like Salta and Mendoza generally feel calmer.

Argentina is built for long-distance buses and domestic flights. For buses, Plataforma 10 and Central de Pasajes are the easiest booking tools, with operators like Flecha Bus, Andesmar, Via Tac, Cata Internacional, and Via Bariloche common on backpacker routes. Overnight buses can be worth the extra money for semicama or cama. Within Buenos Aires, a SUBE card keeps buses, trains, and the Subte cheap. For long jumps, especially to Patagonia, compare flights on JetSmart, Flybondi, and Aerolíneas Argentinas, because buses are slower and sometimes not much cheaper.

Health risk is usually more about mosquitoes, weather, and altitude than food poisoning drama. Tap water is generally fine in Buenos Aires and many cities, but in remote areas some travelers stick to filtered or bottled water. Dengue risk rises after rain, especially in the north and green urban areas, so use repellent, particularly at dusk. In the northwest, altitude can hit hard above 2,500 m, so go up gradually and hydrate. Public healthcare is available and generally decent in cities, but crowded, so solid travel insurance is still the smart move.

Skip the overpriced tourist eSIM hype if the phone takes a physical SIM. Claro and Personal are the practical picks, with Movistar also around. Claro tourist and prepaid options are strong, one reported tourist pack was 25 GB for 19,250 ARS, and other prepaid packs reported were 2 GB, 4 GB, 25 GB, and 40 GB options. Personal had reported tourist packs from 5,400 ARS for 4 GB and around 10,000 ARS for 10 GB. Buy in an official store or authorized kiosk with a passport. Coverage is good in cities and main routes, weaker in remote Patagonia and mountain stretches.

Spanish runs the show, and Argentine Spanish has its own accent, slang, and the famous vos, so even decent textbook Spanish can feel slightly sideways at first. In Buenos Aires, many hostel staff, café workers, and tourist-facing businesses can manage some English. In Mendoza, Bariloche, and the usual backpacker circuit, basic English pops up often enough. Bus terminals, markets, small towns, and the northwest are more Spanish-only. A few survival phrases help a lot, especially for transport and money stuff.

Argentina runs late, especially Buenos Aires. Dinner starts late, nights start later, and people are often relaxed about time in a way that can test patience if the brain is set to northern Europe mode. Restaurant service is usually less proactive, so wave someone down when needed. Tipping around 10% in restaurants is standard, usually in cash. Haggling is limited, maybe a little at craft markets, but normal shops are fixed price. People generally dress a bit sharper than the average hostel dorm look, especially at night. If mate appears, treat it like a social ritual, because that is exactly what it is.

Food is heavy on beef, pasta, pizza, empanadas, milanesas, choripán, and medialunas, with regional differences that are worth chasing. In the northwest, empanadas salteñas and tamales are the right move. In Buenos Aires, cheap lunches and basic meals can still be very reasonable by backpacker standards, while nicer dinners climb fast, especially in tourist neighborhoods. Medialunas were reported around 1,500 ARS from a bakery, or about 3,500 ARS in a nicer café. Street food exists, but budget eating often works better with bakeries, set lunches, rotiserías, and grocery-store self-catering, especially outside Patagonia.