Best time to visit Buenos Aires

For hot-weather activities, visit Buenos Aires from mid-December through to early-March. For general outdoor activities, visit from late-October to mid-April.

Buenos Aires is regarded as an all year round destination.


Buenos Aires weather

Buenos Aires enjoys a subtropical climate, with hot summers and mild winters.

Summer, from December to February, is hot with occasional thunderstorms, which mainly occur in the afternoon. Summer is the wettest season.

Winter, from June to August, is generally mild, with alternating periods of sunshine and inclement weather. The southern Pampero wind can bring cooler weather. August is the driest month.

Spring and autumn, from September to November, and from March to May, are mild, but with frequent and occasional rainfall.


What is the best month to visit Buenos Aires?
November through March are the best months to visit Buenos Aires – you can expect hot and sunny weather, with occasional rainfall.

Which is the hottest month in Buenos Aires?
The hottest month in Buenos Aires is usually January, when maximum daytime temperatures usually reach 30°C (86°F), with high heat and humidity, and a low of 20°C (68°F)

However, on the warmest days of January, the temperature can reach 36°C (97°F).

The hot season lasts from December to mid-March, with an average daily high temperature above 26°C (79°F).

What is the humidity in Buenos Aires?
Buenos Aires experiences little seasonal variation in perceived humidity, with approximate average relative humidity calculated at between 65% – 77% over the course of the year.

What do the humidity conditions feel like in Buenos Aires?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.

Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature.

The average annual dew point in Buenos Aires is 13°C (55°F), and varies over the course of the year from dry at 7°C (44°F) to mainly comfortable at 18°C (64°F).

The more humid time of year in Buenos Aires lasts from mid-November through to mid-April, when you can expect the comfort level to be humid on average 13% of the time.

The months with the highest humidity in Buenos Aires are January and February, with at least 14 days in each month that may feel humid.

June through September is generally comfortable, with minimal or no humidity.

Which is the coldest month in Buenos Aires?
The coldest month of the year in Buenos Aires is July, with an average high of 15°C (59°F) and a low of 8°C (46°F).

The cooler season lasts from late-May through August, with an average daily high temperature below 18°C (64°F).

Which is the sunniest month in Buenos Aires?
The sunniest month in Buenos Aires is usually January, with an average of nine hours of sunshine per day; that's on average 64% of daylight hours.

When is the sea warmest in Buenos Aires?
The sea is usually at its warmest in Buenos Aires in January and February when the water temperature averages 24°C (75°F), which is warm enough for swimming.

The sea around Buenos Aires is warm enough for swimming from December through to March, with an average temperature above 23°C (73°F).

At other times of the year, from April to Novmber, it's too cold for swimming in comfort, with an average below 20°C (68°F).

Which month has the most rain in Buenos Aires?
February is usually the wettest month in Buenos Aires with 124mm (5in) of rainfall on average, distributed across nine days.

Rain falls throughout the year in Buenos Aires. The wetter season lasts from October through to mid-April, with a greater than 25% chance of a given day being a wet day.

The drier season lasts from mid-April through September: July, with five days of rainfall on average, has the fewest number of wet days in Buenos Aires.

Which is the windiest month in Buenos Aires?
The windiest month of the year in Buenos Aires is September, with an average hourly wind speed of 18 kilometres per hour (11 mph; 10 knots).

The windy part of the year lasts from mid-August through to mid-December, with average wind speeds of more than 17 kilometres per hour (10.6 mph; 9 knots).

The less-windy time of year lasts from mid-December through to mid-August. The calmest month of the year in Buenos Aires is March, with an average hourly wind speed of 16 kilometres per hour (10 mph; 8.6 knots).

The predominant average hourly wind direction varies throughout the year in Buenos Aires.


Buenos Aires Weather Averages

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average high temperature (°C)
30 29 27 23 19 16 15 18 19 22 26 29
Average low temperature (°C)
20 19 19 15 12 9 8 9 11 14 17 19
Average daily sunshine (hrs)
9 8 7 7 5 4 4 5 6 7 8 8
Average daily daylight (hrs)
14 13 12 11 10 10 10 11 12 13 14 14
Comfort level – heat
Moderately hot icon Moderately hot icon Low heat & humidity icon Low heat & humidity icon No heat & humidity icon No heat & humidity icon No heat & humidity icon No heat & humidity icon No heat & humidity icon Low heat & humidity icon Low heat & humidity icon Moderately hot icon
Comfort level – humidity (#muggy days)
15 14 11 4 1 - - - - 1 4 10
Average dew point temperature (°C)
18 18 17 14 11 8 7 8 9 12 14 16
Average relative humidity (%)
67 70 72 74 76 77 76 74 72 71 67 65
UV Index (max)
11+ 11+ 9 6 3 2 2 4 6 8 10 11+
Average days of rainfall (≥1mm)
9 9 9 8 6 6 5 6 7 9 9 9
Average monthly rainfall (mm)
115 124 114 115 92 55 67 66 76 115 97 93
Average wind speed (km/h)
17 16 16 16 16 17 17 17 18 18 18 17
Average sea temperature (°C)
24 23 23 20 17 14 12 13 15 17 20 23
Buenos Aires, Brazil

Holiday seasons

High season: December through February.

Shoulder season: July and August; during the North American summer and the South American ski season, many tourists stop in Buenos Aires before heading to nearby ski resorts like Bariloche.

Low season: June to August.


Source: Meteorological data for Buenos Aires is based on weather statistics gathered during 1992 to 2021 by Argentina's Servicio Meteorológico Nacional from the closest weather station: Ministro Pistarini International Airport (EZE), also known as Ezeiza International Airport, located 22km (13mi) southwest of Buenos Aires.


Latest update: Best time to visit Buenos Aires: 16 June, 2024



Advertising