Annual Weather Averages Near Mendoza. The city of Buenos Aires has a humid subtropical climate classified under the Köppen climate classification as (CFA) - a warm temperate climate characterized by hot and humid summers that are occasionally accompanied by thunderstorms and cold, relatively dry winters. Based on weather reports collected during 1985â2015. During this time tourism in Buenos Aires is at its peak and prices will be as well. Argentina Weather, climate and geography Weather and climate Best time to visit. So September have rather dry and warm weather with average temperature about 25 °C (77 °F) on the most of territory and about 15 °C (59 °F) in southern part. Temperate Areas. Averages are for Buenos Aires Airport, which is 4 miles from Buenos Aires. Argentina's high season is during the summer months of October through March and during the winter month of July. Climate data for Argentina has been gathered every day since January 2009. Buenos Aires gets extremely hot and humid in January and February. Argentina - Climate data - Climate information and average monthly temperature, humidity, rainfall, snowfall, daylight, sunshine, UV index, and sea temperature for all cities and towns. Córdoba Climate graph // Weather by Month. Climate information for Argentina including average temperature, rain and snowfall totals. Priceline promo code: 7% off 3-5* hotels worldwide.  Climate is the statistics of weather, usually over a 30-year interval. The least amount of rainfall occurs in July. VIEW BY REGION United States Alaska Great Plains Hawaii Mid-Atlantic Midwest Northeast Rocky Mountains South Southwest West. Averages are for Mendoza Aerodrome, which is 5 miles from Mendoza. The average in this month is 11 mm | 0.4 inch. Average temperature in Argentina in June: 8 to 16°C, 46 to 60°F Sea temperature in Argentina in June: 13°C, 55°F Average rainfall in June: 50mm, 1.9in Note: 15 June is National Flag Day, buildings and even some cars are adorned with the Argentinaâs flag. Argentina's climate ranges from the great heat and extensive rains of the subtropical Chaco in the north, through to the pleasant climate of the central Pampas, and the sub-Antarctic cold of the Patagonian Sea in the south. Due to position of Argentina in Southern Hemisphere spring there coincides in time with European autumn. Find out more about our data sources. Based on weather reports collected during 1985â2015. Annual Weather Averages Near Buenos Aires. The greatest amount of precipitation occurs in December, with an average of 118 mm | 4.6 inch. Climate and Weather in Argentina in June. The bulk of central Argentina, including the Pampas farmland, Cordoba Hills, Mar de Plata and Buenos Aires, enjoys a moderate climate â¦ The climate guide for El Calafate, Argentina shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. The analysis of these meteorological data for Argentina allows us to determine the average for each month in Buenos Aires, Cordoba, Patagonia, Salta, Ushuaia, El Calafate, Iguazú, Mendoza, and 44 other cities. World Map. Climate and Weather in Argentina in July Average monthly temperatures in Buenos Aires (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 29.1: 27.8: 25.5: 22: 18.6: 15.2 Monthly weather forecast and climate for Buenos Aires, Argentina. Spring in Argentina. It is the better time for visiting the Iguazu Falls.