Buenos Aires weather

Our guide to the weather in Buenos Aires during January

31

Average high

6

UV Index

78mm

Monthly rainfall

24

Sea temperature

We've looked at the most up-to-date weather data for Buenos Aires, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Buenos Aires weather in January.

How hot is it in Buenos Aires during January?

January is typically the hottest month in Buenos Aires. Remember that in January it's summer in the souther hemisphere! The temperature hits about 31℃ during the day, falling away to a balmy 15℃ at night.The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Buenos Aires during January?

On average, there will be 3 rainy days during the month, amounting to 78.1mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Buenos Aires during January?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during January. With moderate humidity, any breeze will have a welcome cooling effect.

How warm is the sea in Buenos Aires during January?

The water temperature around Buenos Aires reaches a pleasant 24℃ during January. While generally considered warm, some people might find it a little on the cool side on entering the water. The hot air temperature will mean that you will feel comfortably warm when coming out of the water.

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Buenos Aires Blog posts

From the UK's most popular travel bloggers

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16 Very Best Things To Do In Buenos Aires

19th February 2024 by Hand Luggage Only

Welcome to the vibrant city of Buenos Aires, nestled on the eastern fringes of Argentina. This city has something to offer every type of traveller, with a plethora of sights and activities to explore. Join us as we delve into the best experiences this bustling city has to offer....

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Traditions and Tourist Attractions Tangoing in Buenos Aires

18th December 2023 by Pack the PJs

Buenos Aires is where traditions and tourist attractions do the tango together! In this city, the streets are made lively by the rhythmic beats of tango music, locals sipping mate on every corner, and colorful markets blending seamlessly with historic landmarks. It’s a dance like no other, and you’re about to take a virtual front-row seat to admire the enchanting spectacle that is Buenos Aires through this post....

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Why should you consider Buenos Aires for your holidays

1st December 2022 by Two Monkey's Travel

Known as “the Paris of Latin America”, Buenos Aires is the capital city of Argentina and a multicultural metropolis. In fact, with a population of 3 million inhabitants, Buenos Aires is considered one of the most diverse cities in the Americas....

Weather in Buenos Aires

Our month-by-month guide to the weather and climate in Buenos Aires

31.4

Buenos Aires weather in

January
29.4

Buenos Aires weather in

February
25.9

Buenos Aires weather in

March
21.1

Buenos Aires weather in

April
16.4

Buenos Aires weather in

May
13.0

Buenos Aires weather in

June
12.3

Buenos Aires weather in

July
15.2

Buenos Aires weather in

August
17.1

Buenos Aires weather in

September
20.0

Buenos Aires weather in

October
25.1

Buenos Aires weather in

November
29.9

Buenos Aires weather in

December