Located in the southern hemisphere, Argentina’s seasons are the opposite to the north, with summer from December to March, autumn in April & May, Winter from June to September and spring in October & November.
Weather by region
Climate and weather varies widely and the information below can be used as a guide for planning your holiday to Argentina.
Buenos Aires & the Pampas
The city and its surrounding region is best visited in temperate spring and autumn, as can be very hot and humid in the summer months. Winter tends to be mild and days are often sunny so this is a good time to visit as well.
Patagonia & the far south
Trekking is best from January to March, though the region can be visited any time from spring to autumn. April can be lovely when the leaves turn scarlet and the days are clear. Southern Patagonia is pretty much closed in winter, apart from the ski resort at Ushuaia. Whale watching on the Valdes Peninsula is best from September to December.
Iguazu Falls can be visited all year but are most impressive after rainfall, so April is usually best.
The Lake District
This area is wonderful from spring to autumn but can be very busy in January and February. Trekking is best from January and good till the end of March. There tend to be fewer visitors in March and April.
This region can be visited year-round even in the peak winter months of July and August Most rain falls in January to March when roads can be impassable at times. The cloudforest areas are best visited from April to November.
Hiking around Aconcagua is only possible in the summer. Spring and autumn are pleasant but the road across the border to Chile is sometimes blocked by snow in the winter months.