Argentina - weather in October

October in Argentina is a spring month. In the north, crossed by the Tropic of Capricorn, the climate is already hot, in fact the average daily temperature is 24/25 °C (75/77 °F). Also, sometimes in the north there can be intense heatwaves, during which the temperature can exceed 40 °C (104 °F). Actually, in October and November, the heat records in the north are even higher than those of the summer.
In the center-north, in Buenos Aires and Rosario, the daily average is around 18 °C (64.5 °F).
In Patagonia the temperatures are mild, in fact the daily average is around 14 °C (57 °F) in Puerto Madryn, Trelew and Comodoro Rivadavia, while in the far south, in Tierra del Fuego, it is still quite cold, in fact the daily average is around 7 °C (44.5 °F).
The winds from the south can bring rapid drops in temperature, which at night can drop below freezing in the south and around 10 °C (50 °F) in the north.
The rains are decidedly abundant in the north-east (see Posadas, Iguazu Falls), but sometimes also in the Buenos Aires area, where there can be waves of bad weather. In the northwest, on the other hand (see Tucumán, Salta), the rains are still quite rare.
In Patagonia, which has an arid and windy climate, the rains are quite rare, while in the extreme south, in Tierra del Fuego, where disturbances from the Pacific pass throughout the year, the rains are quite frequent. In the far south, in Tierra del Fuego, it can still snow occasionally.




See also: Argentina, the weather in September - November
The climate of Argentina