Buenos Aires Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to moderate in Buenos Aires. Average daytime temperatures reach a very warm 30°C (86°F) in January. In July, the coolest month of the year, temperatures drop to a moderate 16°C (61°F).

At night, temperatures range from around 18°C (64°F) in January to 6°C (43°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Buenos Aires has a relatively rainy climate with high precipitation levels, averaging 1000 mm (39 in) of rainfall annually. Buenos Aires experiences moderate seasonal variation in rainfall, with monthly averages ranging from 111 mm (4.4 in) in October, the wettest month, and 61 mm (2.4 in) in July, the driest month. For more details, please visit our Buenos Aires Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Buenos Aires can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 9.5 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 4.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The mean water temperature over the year ranges from 10°C (50°F) in August to 21°C (70°F) in February.

Water temperature over the year

The relative humidity is high throughout the year in Buenos Aires.

The city experiences its highest humidity in June, reaching 79%. In December, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The mean wind speed over the year ranges from 2 m/s (4 knots) in April to 4 m/s (8 knots) in September, October and November. What does this mean?

The mean monthly wind speed over the year (meters per second)