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Argentina Weather
Argentina is the second largest country of Latin America. The center and east are mostly low and flat, but the west is very mountainous rising to the Andes peaks, some of which reach over 22000 feet. Because of these great altitude and latitude differences, there are many different weather and climate patterns. The country can be split into four broad climatic regions – the east central region (Pampas); the northeastern interior; western Argentina and southern Argentina (Patagonia). The distinctive mountain climate of the High Andes can also be added.
East Central Argentina
East central Argentina (including Buenos Aires) also known as the Pampas, has a rainfall of between 500 mm to 1000 mm per year. The area has mild winters and warm summers with more rainfall during the summer months. Most of the rain falls on just a few days of the year, so wet and changeable weather is not frequent, but the rain is often heavy. Average daily maximum temperatures at Buenos Aires range from 14 °C (57 °F) in June and July to 29 °C (85 °F) in January.
The North-Eastern Interior
The northeastern interior has a warmer climate than the Pampas and, towards the north it is tropical or near tropical. Temperatures remain quite high throughout the year, average daily maximums varying from 21 °C (70 °F) in winter to 36 °C (97 °F) in January.
Western Argentina
Western Argentina is a dry region. Even on the highest peaks snowfall is light. The eastern slopes and foothills of the Andes form a semi-arid region and the lowlands are virtually deserts. Annual rainfall of less than 250 mm is not uncommon. Droughts are frequent and often prolonged. Rainfall is more frequent in the summer months, which are often hot and sunny. In Mendoza daily average maximum temperatures range from 15 °C (59 °F) in winter to 32 °C (90 °F) in summer.
Southern Argentina
Southern Argentina is a dry region with (in terms of temperature and changeable weather) a cool temperate climate. Towards the west of the region, rainfall is greater as cloud spills over the western side of the Andes. In the extreme south of the region, the summers are distinctly cool. The winters are long with frequent frost and snow, but the ocean's influence ensures that the cold is never prolonged or severe. The summers are generally cool and cloudy with brief spells of fine pleasant weather.
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