Buenos Aires
January
Weather in Buenos Aires for January 2026
Your guide to Buenos Aires weather in January - trends and predictions
In general, the average temperature in Buenos Aires at the beginning of January is 28.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29 °C by the end of January.
The climate of Buenos Aires in January is notably wet, with an average of 11 rainy days, and a total of 55.2 mm of precipitation.
Temperatures
Rain 🌧️
20
Dry days
11
Rainy days
0
Snow days
29°/21°
Temperatures
26 km/h
Avg max wind
59 %
Avg humidity
Buenos Aires Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  30° | 3 30° | 4  27° | |||
| 5 27° | 6 29° | 7 29° | 8 31° | 9 30° | 10 28° | 11  28° |
| 12 27° | 13  29° | 14 32° | 15 32° | 16 32° | 17 30° | 18 27° |
| 19 28° | 20 28° | 21 28° | 22 29° | 23 30° | 24 31° | 25 29° |
| 26 30° | 27 28° | 28 27° | 29 29° | 30 30° | 31 30° |
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Temperatures trend during January in Buenos Aires
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Moderate or heavy rain shower | 26° /20° | 5.7 mm | 7 | |
| 2 Jan. | Partly cloudy | 30° /19° | 0.1 mm | 8 | |
| 3 Jan. | Partly cloudy | 30° /19° | 0 mm | 9 | |
| 4 Jan. | Sunny | 27° /18° | 0 mm | 8 | |
| 5 Jan. | Sunny | 27° /19° | 0 mm | 9 | |
| 6 Jan. | Sunny | 29° /21° | 0.1 mm | 9 | |
| 7 Jan. | Sunny | 29° /21° | 1.8 mm | 9 | |
| 8 Jan. | Partly cloudy | 31° /21° | 0.8 mm | 10 | |
| 9 Jan. | Sunny | 30° /21° | 0.1 mm | 9 | |
| 10 Jan. | Partly cloudy | 28° /21° | 0.2 mm | 9 | |
| 11 Jan. | Patchy rain possible | 28° /21° | 0.1 mm | 9 | |
| 12 Jan. | Moderate or heavy rain shower | 27° /20° | 4.2 mm | 8 | |
| 13 Jan. | Cloudy | 29° /21° | 0.1 mm | 9 | |
| 14 Jan. | Cloudy | 32° /21° | 0.3 mm | 9 | |
| 15 Jan. | Sunny | 32° /22° | 0 mm | 10 | |
| 16 Jan. | Sunny | 32° /23° | 14 mm | 10 | |
| 17 Jan. | Sunny | 30° /22° | 1.4 mm | 9 | |
| 18 Jan. | Sunny | 27° /22° | 3.5 mm | 8 | |
| 19 Jan. | Sunny | 28° /22° | 7.4 mm | 9 | |
| 20 Jan. | Moderate or heavy rain shower | 28° /20° | 3.8 mm | 9 | |
| 21 Jan. | Patchy rain possible | 28° /20° | 6 mm | 9 | |
| 22 Jan. | Sunny | 29° /21° | 0 mm | 9 | |
| 23 Jan. | Sunny | 30° /22° | 0 mm | 10 | |
| 24 Jan. | Cloudy | 31° /21° | 0.4 mm | 9 | |
| 25 Jan. | Sunny | 29° /22° | 0.3 mm | 9 | |
| 26 Jan. | Patchy rain possible | 30° /22° | 0.4 mm | 9 | |
| 27 Jan. | Moderate rain at times | 28° /22° | 1 mm | 8 | |
| 28 Jan. | Moderate or heavy rain shower | 27° /20° | 3.7 mm | 9 | |
| 29 Jan. | Sunny | 29° /22° | 0 mm | 9 | |
| 30 Jan. | Sunny | 30° /22° | 0 mm | 10 | |
| 31 Jan. | Partly cloudy | 30° /23° | 0 mm | 10 | |
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Important Notice
Our weather forecast for Buenos Aires in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Buenos Aires forecast closer to your planned date for the most up-to-date weather information.
Buenos Aires in January - FAQ
What are the expected maximum and minimum temperatures in Buenos Aires during January?
During January, expect a variety of temperatures with highs around 29° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Buenos Aires during January?
Moderate rainfall is anticipated in Buenos Aires during January, with a total of 55.2 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Buenos Aires during January?
The average wind speed in Buenos Aires during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Buenos Aires
Explore the daily rainfall trends and prepare for Buenos Airess January weather 💧
UV exposure in Buenos Aires during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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