Buenos Aires weather in January 2021

Get the latest coronavirus (COVID-19) updates for Argentina with current travel advice, statistics and online resources.

  • 29°C maximum daytime temperature in January in Buenos Aires29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in January in Buenos Aires8
    8 days with some rainfall
  • 20°C minimum night-time temperature in January in Buenos Aires20
    20°C min night temperature
  • 14 hours of daylight per day in January in Buenos Aires14
    14 hours of daylight per day
  • Moderate heat & humidity in January in Buenos AiresM
    Moderate heat & humidity
  • 107 mm monthly rainfall in January in Buenos Aires107
    107 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Buenos Aires11
    11+ (Extreme) UV index
  • 24°C sea temperature in January in Buenos Aires24
    24°C sea temperature
  • Top deals & discounts
  • Buenos Aires weather overview
  • Buenos Aires climate averages by month
  • More destinations
  • Best time to go to Buenos Aires
  • Buenos Aires 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The January weather guide for Buenos Aires, Argentina shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide

How hot is it in Buenos Aires in January?

Daytime temperatures usually reach 29°C in Buenos Aires in January with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Buenos Aires in January?

There are normally 9 hours of bright sunshine each day in Buenos Aires in January - that's 60% of daylight hours.

How warm is the sea around Buenos Aires in January?

The average sea temperature around Buenos Aires in January is 24°C.

Does it rain in Buenos Aires in January?

There are usually 8 days with some rain in Buenos Aires in January and the average monthly rainfall is 107mm.

Buenos Aires sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Buenos Aires in January 2021. Select a month to view Buenos Aires sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st January 2021 05:45 20:10
Saturday, 16th January 2021 05:58 20:09
Sunday, 31st January 2021 06:13 20:01
  • Find cheap flights to Argentina with Skyscanner
  • Search by departure airport to find best airline routes
  • Enter exact dates, months or find the cheapest month

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Buenos Aires

Where's hot in Argentina in January?

Below are average maximum temperatures at popular destinations in Argentina in January. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.