January Weather in Buenos Aires, Peru

Last updated: August 27, 2025

In January, the average temperature in Buenos Aires, Peru is a pleasant 24°C (76°F), with a minimum of 19°C (66°F) and a maximum reaching up to 33°C (92°F). Expect about 222 mm (8.7 in) of precipitation over 20 days, contributing to an average humidity of 80%. Whether you’re basking in the warmth or enjoying the refreshing rain, this month offers a dynamic climate experience!

January Temperature in Buenos Aires

In January in Buenos Aires, the average temperature is 24°C (76°F). Maximums can reach 33°C (92°F) and minimums can be as low as 19°C (66°F). This makes Buenos Aires an ideal destination for travelers seeking pleasant, warm weather.

January Weather in Buenos Aires: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Buenos Aires, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buenos Aires, January typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 19°C (66°F).

Data source: Temperature data for Buenos Aires generated using information from the Copernicus Climate Change Service.

January Precipitation in Buenos Aires

In Buenos Aires in January, the total precipitation amount is 222 mm (8.7 in) over the course of 20 days.

January Precipitation Trends in Buenos Aires

The chart displays monthly precipitation patterns in Buenos Aires, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Buenos Aires, January typically receives around 222 mm (8.7 inches) of precipitation spread over approximately 20 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Buenos Aires

In Buenos Aires in January humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

January Average Humidity in Buenos Aires

This chart illustrates the average monthly humidity levels in Buenos Aires, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Buenos Aires is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Buenos Aires

In Buenos Aires in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Buenos Aires.

Maximum UV Index Levels in Buenos Aires for January

The chart shows the monthly maximum UV Index (UVI) for Buenos Aires in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Buenos Aires typically reaches 15, which falls under the extreme exposure category.

Data source: Buenos Aires January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Buenos Aires Compares to Other Months

Weather in Buenos Aires varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Buenos Aires, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Buenos Aires, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	222 mm (8.7 inches)	80%	extreme
February Weather	25°C (77°F)	191 mm (7.5 inches)	76%	extreme
March Weather	24°C (76°F)	316 mm (12.4 inches)	81%	extreme
April Weather	24°C (76°F)	266 mm (10.5 inches)	86%	extreme
May Weather	24°C (75°F)	222 mm (8.7 inches)	86%	extreme
June Weather	24°C (75°F)	153 mm (6.0 inches)	70%	extreme
July Weather	23°C (74°F)	126 mm (4.9 inches)	47%	extreme
August Weather	24°C (75°F)	103 mm (4.1 inches)	37%	extreme
September Weather	24°C (76°F)	143 mm (5.6 inches)	42%	extreme
October Weather	25°C (76°F)	220 mm (8.6 inches)	62%	extreme
November Weather	25°C (77°F)	249 mm (9.8 inches)	76%	extreme
December Weather	25°C (77°F)	182 mm (7.2 inches)	89%	extreme