The weather in
Buenos Aires

Buenos Aires weather

Weather in Buenos Aires

See the forecast for Buenos Aires in one clear overview. From temperature and wind to the chance of rain: plan a walk along Puerto Madero or an afternoon in one of the city parks with up-to-date information.

Today and the next 14 days

The forecast for Buenos Aires is updated daily. Check the temperature, wind and chance of rain hour by hour, and use the 14-day outlook to plan ahead and spot which days look best for being outside.

Practical weather notes for Buenos Aires

Buenos Aires has a humid climate shaped by its position near the wide Río de la Plata estuary, which can make summer heat feel heavier than the temperature alone suggests. Sudden, strong thunderstorms known locally as sudestadas can roll in from the southeast with little notice.

Seasons in Buenos Aires

As in the rest of the Southern Hemisphere, December to February is summer and often hot and humid, while June to August is the mild, damp winter. Spring and autumn tend to bring the most changeable, unpredictable weather.

Frequently asked questions

How often is the forecast updated?
The live weather data refreshes several times a day, so you're always seeing the latest forecast for Buenos Aires.

Is the 14-day forecast reliable?
The first few days are usually the most accurate. Further ahead, the forecast mainly shows a trend rather than the exact weather at a specific hour.

What should I check before heading outside?
Look at the combination of rain, wind and feels-like temperature. A short trip can handle a passing shower, but a longer walk or bike ride benefits from a more stable stretch of weather.

climate

Climate in Buenos Aires by month

Planning a trip to Buenos Aires? Below are the average daily high and low temperatures and the rainfall for each month, plus the sea temperature. For the coming days, see the forecast above.

Source: ERA5 reanalysis via Open-Meteo, 2015-2024; sea temperature: Open-Meteo Marine, 2023-2025. Model averages for a grid cell, not official station records.

Best time to visit Buenos Aires

The warmest month in Buenos Aires is January, with an average high of 28.3°C (83°F). The coolest is July, at 13.9°C (57°F). The wettest month is March, with about 118 mm (4.6 in) of rain. Highs of 25°C (77°F) or more are typical from December to March. For sightseeing and walking, with highs between 18 and 27°C (64 to 81°F), March, April, October and November are the most comfortable. The sea is warmest in January, at 26.6°C (80°F), and coolest in July, at 11.1°C (52°F). It is above 21°C (70°F), comfortable for swimming, from November to March.

Climate FAQ

What is the warmest month in Buenos Aires?
January, with an average high of 28.3°C (83°F) and an average low of 20.9°C (70°F) (averages for 2015-2024).

What is the wettest month in Buenos Aires?
March, with about 118 mm (4.6 in) of rain. The driest month is June.

When can you swim in the sea in Buenos Aires?
The sea is above 21°C (70°F) from November to March, and warmest in January at 26.6°C (80°F).