Argentina in July: Weather, Crowds & What to Expect
Climate Map for July
Average temperature across Argentina in July.
City Weather in July
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Buenos Aires | 15° | 7° | 87 mm | low | Cool |
| Córdoba, Argentina | 17° | 4° | 13 mm | moderate | Cool |
| Rosario | 16° | 6° | 33 mm | low | Cool |
| Mar del Plata | 12° | 4° | 63 mm | low | Cold |
| San Miguel de Tucumán | 20° | 7° | 11 mm | moderate | Cool |
| Santa Fe, Argentina | 17° | 7° | 32 mm | moderate | Cool |
| Posadas, Misiones | 22° | 10° | 106 mm | moderate | Cool |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Northwest Andes (Salta, Jujuy, Quebrada de Humahuaca, Cafayate)
July delivers the coldest nights across the Northwest: clear skies, sharp mountain air and frequent frost in the valleys make for spectacular starry nights but crisp daytime hikes. Snow on the highest summits and around places such as Abra del Acay can create dramatic contrast, although lowland towns remain mostly snow-free. Travellers should check winter conditions on remote tracks and expect reduced services in smaller hamlets.
Mesopotamia & Northeast Rainforest (Iguazú, Misiones, Corrientes, Entre Ríos)
July delivers crisp mornings and pleasantly mild afternoons; daytime highs are very agreeable around 18-22°C in Corrientes and Posadas. Whale-related activities don’t apply here, but cultural festivals in provincial capitals can enliven travel plans - winter in the subtropics is dry and comfortable. Pack a medium jacket for evenings and enjoy calmer trails through the national parks.
Cuyo & Mendoza (Mendoza, San Juan, Uco Valley, Aconcagua approach)
July is the coldest month for Cuyo’s mountain fringes: snow covers high approaches and some mountain roads toward Aconcagua are restricted. The city of Mendoza stays cool and pleasant for wine cellar visits, but outdoor adventures at altitude require winter gear and careful planning. Expect reduced services in remote mountain lodges and possible short-term closures at high passes.
Pampas & Buenos Aires (Buenos Aires city, La Plata, Mar del Plata, Rosario, Tigre)
July is the coldest month for the Pampas, with crisp, dry days interrupted by blustery southerly winds that can feel sharp near the coast. Frosts can appear inland in rural areas, and Mar del Plata sees quiet streets as summer tourism is long over. This is off-peak for city tourism, so accommodation prices are lower and museums are less crowded but heating in some guesthouses may be limited.
Andean Lake District & Northern Patagonia (Bariloche, San Martín de los Andes, Neuquén, El Bolsón)
July usually offers mid-winter conditions with reliable snow cover for the ski areas around Cerro Catedral; mountain weather is cold and often windy. The lakes are in their quietest season and some rural roads can be icy; services in smaller villages are limited but city amenities generally continue. Bring full winter gear and expect tourist-focused infrastructure in Bariloche to be active for skiing and winter festivals.
Southern Patagonia & Tierra del Fuego (El Calafate, El Chaltén, Ushuaia, Puerto Madryn, Península Valdés)
July remains cold and wintry: Ushuaia’s surroundings and the Andes receive regular snowfalls, and high plains can be icy; winter sports operators around Tierra del Fuego are active. Coastal wildlife viewing is quieter and some seasonal services close for maintenance. Travellers should prepare for winter driving conditions and limited daylight hours.