January Weather in Avellaneda, Argentina

Last updated: August 22, 2025

In Avellaneda, Argentina, the average temperature in January hovers around 27°C (80°F), but can vary significantly with a minimum of 14°C (58°F) and soaring up to a maximum of 41°C (106°F). Expect approximately 155 mm (6.1 in) of precipitation over about 10 days, contributing to an average humidity of 66%. Whether you’re soaking up the sun or bracing for rain, be prepared for the climate’s diverse moods!

January Temperature in Avellaneda

In January in Avellaneda, the average temperature is 27°C (80°F). Maximums can reach 41°C (106°F), while minimums can drop to as low as 14°C (58°F). This makes it an ideal time for travelers looking to enjoy warm weather, but it's advisable to pack layers for cooler evenings.

January Weather in Avellaneda: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Avellaneda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avellaneda, January typically has an average temperature of 27°C (80°F), with highs reaching up to 41°C (106°F) and lows dropping to around 14°C (58°F).

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

January Precipitation in Avellaneda

In Avellaneda in January, the total precipitation amount is 155 mm (6.1 in) spread over a period of 10 days.

January Precipitation Trends in Avellaneda

The chart displays monthly precipitation patterns in Avellaneda, 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 Avellaneda, January typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 10 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 Avellaneda

In Avellaneda in January, humidity is 66%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace, making travel a bit more challenging as you may find yourself perspiring more quickly while exploring, but it's also perfect for a refreshing dip in nearby waters.

January Average Humidity in Avellaneda

This chart illustrates the average monthly humidity levels in Avellaneda, 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 Avellaneda is approximately 66%, 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 Avellaneda

In Avellaneda 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 Avellaneda.

Maximum UV Index Levels in Avellaneda for January

The chart shows the monthly maximum UV Index (UVI) for Avellaneda 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 Avellaneda typically reaches 15, which falls under the extreme exposure category.

Data source: Avellaneda 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 Avellaneda Compares to Other Months

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

This table compares monthly weather conditions in Avellaneda, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	155 mm (6.1 inches)	66%	extreme
February Weather	26°C (78°F)	78 mm (3.1 inches)	61%	extreme
March Weather	24°C (75°F)	88 mm (3.5 inches)	71%	extreme
April Weather	21°C (70°F)	93 mm (3.7 inches)	81%	very high
May Weather	17°C (63°F)	113 mm (4.4 inches)	84%	high
June Weather	14°C (58°F)	66 mm (2.6 inches)	76%	moderate
July Weather	14°C (57°F)	38 mm (1.5 inches)	64%	moderate
August Weather	16°C (61°F)	52 mm (2.0 inches)	46%	high
September Weather	18°C (65°F)	117 mm (4.6 inches)	55%	very high
October Weather	21°C (70°F)	92 mm (3.6 inches)	57%	extreme
November Weather	24°C (75°F)	157 mm (6.2 inches)	59%	extreme
December Weather	25°C (78°F)	97 mm (3.8 inches)	75%	extreme