January Weather in Tres Arroyos, Argentina

Last updated: August 22, 2025

In January, the average temperature in Tres Arroyos, Argentina hovers around 22°C (72°F), with a minimum of 6°C (44°F) and occasional peaks reaching up to 40°C (104°F). Expect about 70 mm (2.8 in) of precipitation spread over 6 days, while the average humidity remains at a comfortable 61%. Prepare for a month of varied weather, perfect for exploring the unique charm of Tres Arroyos!

January Temperature in Tres Arroyos

In January in Tres Arroyos, the average temperature is 22°C (72°F), with maximums reaching up to 40°C (104°F) and minimums dropping as low as 6°C (44°F). This variation makes it essential for travelers to pack for both warm days and cooler nights.

January Weather in Tres Arroyos: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Tres Arroyos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tres Arroyos, January typically has an average temperature of 22°C (72°F), with highs reaching up to 40°C (104°F) and lows dropping to around 6°C (44°F).

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

January Precipitation in Tres Arroyos

In Tres Arroyos in January, the precipitation amount is 70 mm (2.8 in) over the course of 6 days.

January Precipitation Trends in Tres Arroyos

The chart displays monthly precipitation patterns in Tres Arroyos, 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 Tres Arroyos, January typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Tres Arroyos

In Tres Arroyos in January, humidity is 61%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but slightly oppressive for active exploration.

January Average Humidity in Tres Arroyos

This chart illustrates the average monthly humidity levels in Tres Arroyos, 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 Tres Arroyos is approximately 61%, 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 Tres Arroyos

In Tres Arroyos in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Tres Arroyos, you can check here.

Maximum UV Index Levels in Tres Arroyos for January

The chart shows the monthly maximum UV Index (UVI) for Tres Arroyos 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 Tres Arroyos typically reaches 14, which falls under the extreme exposure category.

Data source: Tres Arroyos 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 Tres Arroyos Compares to Other Months

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

This table compares monthly weather conditions in Tres Arroyos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	70 mm (2.8 inches)	61%	extreme
February Weather	21°C (69°F)	82 mm (3.2 inches)	67%	extreme
March Weather	19°C (66°F)	65 mm (2.6 inches)	70%	very high
April Weather	15°C (60°F)	82 mm (3.2 inches)	75%	high
May Weather	11°C (52°F)	46 mm (1.8 inches)	77%	moderate
June Weather	9°C (48°F)	44 mm (1.7 inches)	74%	moderate
July Weather	7°C (46°F)	43 mm (1.7 inches)	71%	moderate
August Weather	9°C (49°F)	33 mm (1.3 inches)	68%	moderate
September Weather	11°C (52°F)	52 mm (2.1 inches)	71%	high
October Weather	14°C (57°F)	67 mm (2.7 inches)	68%	very high
November Weather	17°C (63°F)	85 mm (3.4 inches)	65%	extreme
December Weather	20°C (69°F)	89 mm (3.5 inches)	58%	extreme