Argentina is a vast country with different climates zones. In the northeast is a subtropical climate, while the south polar region in the borders can have very low temperatures. The northeastern region of Buenos Aires is hot and humid. The temperatures in winter (June / September) are rarely below 10 degrees Celsius, while in the summer it can easily be 35 degrees. Annual precipitation, mostly in the form of downpours, is approximately 940 mm and is irregularly distributed over the year. The humidity is very high especially in summer, and remarkably, there are rapid temperature fluctuations, which sometimes amount to 20 degrees. The Pampa in central Argentina has a steppe climate. Here, summers are hot and in the winter month of July it is cool. The climate in the mountains is typically cold with snow on the highest peaks and always frost. In the northwest of Argentina, Salta province is pleasant all year round with a spring climate. During the summer there is much rain. In the south, the climate in the winter is similar to that in Northern Europe for example but freezing weather is the rule rather than the exception.
The most appropriate travel time runs from October to March, the Argentine summer. In January it's at the very warmest and July is the coldest month. The northern regions have a subtropical climate (temperatures around 25-30 ° C) with relatively more rainfall. Buenos Aires has in the spring period (October and November) also pleasant temperatures of 20-25 ° C. As you come south, the temperature drops. In the region around the Peninsula Valdes the mercury during their spring is at 15-20 ° C.