Buenos Aires Climate

Buenos Aires has four well-defined seasons:

Summer: December to March. 20ºC (68ïºF) to 33ºC (91.4ºF), exceeding sometimes 35ºC (95ºF).

Autumn: March to June. 12ºC (53,6ºF) to 22ºC (72.6ºF)

Winter: June to September.  3ºC (37.4ºF) to 15ºC (59ºF).

Spring: September to December. 12ºC (53,6ºF) to 22ºC (72.6ºF)

The climate of Buenos Aires is mild all year round. The mean annual temperature is 18º C (64.4ºF). Therefore, extremely hot and cold days are very rare.Visitors can enjoy walking around the city in any season.

July is the coldest month. Although frosts are rare, a woolen coat, a jacket or an overcoat and a scarf will be required when going out. In winter, cold is moderate during the day, but temperature drops significantly at night.

The weather is hot and humid in the summer. Mornings are warm and during midday and the first hours of the afternoon, the temperature rises. At night, temperature goes down slightly, so people may wear light clothes; coats are not needed.

Rains are more frequent in autumn and spring. They are mild so activities are not hampered and people usually go out with an umbrella or a raincoat.
In the sunny days of autumn and spring, mornings are slightly cold; the temperature rises at midday and drops again at night.