ClimateForecastDecemberJanuary >>

Buenos Aires Climate by Month

Buenos Aires has a temperate climate. Argentina's high season is during the summer months of October through March, as well as during the winter month of July. During these times, tourism in Buenos Aires reaches its peak, and prices increase accordingly. The city becomes extremely hot and humid in January and February. Therefore, the best months to visit weather-wise are October, November, and March, as well as April and May. The winter months, from June to August, are much cooler, requiring warmer clothes and favoring less outdoor activity.

Average day and night temperature

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 in January. In July, the coolest month of the year, temperatures drop to a moderate 16°C. At night, expect cooler temperatures, averaging 6°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Buenos Aires has a relatively rainy climate with high precipitation levels, averaging 1000 mm of rainfall annually. Buenos Aires experiences moderate seasonal variation in rainfall, with monthly averages ranging from 111 mm in October, the wettest month, and 61 mm in July, the driest month.

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

Sunshine over the year

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.

Monthly hours of sunshine

Daily hours of sunshine

Average water temperature

The mean water temperature over the year in Buenos Aires ranges from 10°C in August to 21°C in February.

Water temperature over the year

The best time of year to visit Buenos Aires in Argentina

During the months of April, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Buenos Aires?
    January has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Buenos Aires?
    The coldest month is July with an average maximum temperature of 16°C.
  • Which is the wettest month in Buenos Aires?
    October tops the wettest month list with 111 mm of rainfall.
  • Which is the driest month in Buenos Aires?
    July is the driest month with 61 mm of precipitation.
  • Which is the sunniest month in Buenos Aires?
    January is the sunniest month with an average of 285 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Buenos Aires

    Sun   Dec 15
    28°C | 13°C
    S 18 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Dec 16
    29°C | 13°C
    E 18 km/h
    almost clear and no rain

    almost clear and no rain

    Tue   Dec 17
    31°C | 17°C
    NE 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain