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Argentina

South Argentina weather in January 2026

Argentina

South Argentina weather in January 2026

 

Day

25 °C

 

Night

11 °C

 

Sea

8 °C

 

Precipitation

19 mm

in month

 

Rainy days

3 days

in month

 

Daylight

15 hours

average

 

Sunshine

10 hours

average

 

Humidity

50 %

 

Day

25 °C

 

Night

11 °C

 

Sea

8 °C

 

Precipitation

19 mm

in month

 

Rainy days

3 days

in month

 

Daylight

15 hours

average

 

Sunshine

10 hours

average

 

Humidity

50 %

Overview: South Argentina
In January in South Argentina, the average air temperature ranges from 25 °C (77 °F) during the day to 11 °C (51 °F) at night. There are 3 days of rain on average, where the rainfall is 19 mm (0.74 in).

Weather charts for South Argentina

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Destinations nearby and activities

Destinations nearby

Activities in South Argentina

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Scuba diving
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Mountain hiking
🚶‍♂️🌳
🚵‍♂️⛰️
Mountain biking
🐬🐋
Dolphins and whales
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Aerial view of port in San Carlos de Bariloche in sunny weather with few clouds
Aerial view of mountain range in San Carlos de Bariloche
Mountain range in San Carlos de Bariloche on a sunny day with some clouds

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Weather overview and FAQs

Weather overview

In January in South Argentina, the average air temperature ranges from 25 °C (77 °F) during the day to 11 °C (51 °F) at night. There are 3 days of rain on average, where the rainfall is 19 mm (0.74 in).

Are there good conditions to visit in January in South Argentina?

In January in South Argentina, there are ideal conditions for a vacation. The temperature during the day will be nice 25 °C (77 °F). There are only 3 days of rain in the whole month, so you can leave your umbrella at home. The temperature of 11 °C (51 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What is the temperature in South Argentina during the day in January?

In South Argentina in January, the average daily temperatures will be 25 °C (77 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

How many days of precipitation on average can I expect in South Argentina in January?

There are 3 days, which are rainy in January in South Argentina, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.7 days of the week, or in general - 10 % days.

Is the weather in South Argentina warmer in January than in December?

Yes, January in South Argentina is warmer than December by 2 °C (35 °F).

What is the air temperature in South Argentina in January at night?

The average night temperature in South Argentina in January is 11 °C (51 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

How long is the day (from dawn till dusk) in South Argentina in January?

The length of daylight in South Argentina in January is 15 hours.

Is January part of the dry season in South Argentina?

Yes, there is a dry season in South Argentina in January with just 3 days during the month being rainy.

How many hours of sun to expect in South Argentina in January?

There is an average length of sunshine of 10 hours per day in South Argentina in January.

What level of humidity is to expect in January in South Argentina?

Humidity in South Argentina in January is 50 %.

How windy is it in South Argentina in January?

In January in South Argentina, there will be an average wind scale of 7. It is rather a stronger wind, which lowers the sensible temperature and cools down.

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