January Weather in Portena, Argentina

Last updated: August 22, 2025

In Portena, Argentina, the average temperature in January hovers around 26°C (78°F). Expect a range where minimums can dip to 12°C (54°F) and maximums can soar to 42°C (108°F). During this time, the area receives an average of 116 mm (4.6 in) of precipitation over about 8 days, contributing to a relatively comfortable average humidity of 51%.

January Temperature in Portena

In January in Portena, the average temperature is 26°C (78°F). Maximum temperatures can reach 42°C (108°F), while minimums can drop to as low as 12°C (54°F). This wide range makes it essential for travelers to pack appropriately for both warm days and cooler evenings.

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

The chart illustrates January temperature patterns in Portena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portena, January typically has an average temperature of 26°C (78°F), with highs reaching up to 42°C (108°F) and lows dropping to around 12°C (54°F).

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

January Precipitation in Portena

In Portena in January, the total precipitation amount is 116 mm (4.6 in) recorded over a span of 8 days.

January Precipitation Trends in Portena

The chart displays monthly precipitation patterns in Portena, 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 Portena, January typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 8 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 Portena

In Portena in January, humidity is 51%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, creating a comfortable atmosphere that's ideal for exploring the sights and enjoying outdoor activities.

January Average Humidity in Portena

This chart illustrates the average monthly humidity levels in Portena, 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 Portena is approximately 51%, 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 Portena

In Portena 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 Portena, you can check here.

Maximum UV Index Levels in Portena for January

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

Data source: Portena 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 Portena Compares to Other Months

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

This table compares monthly weather conditions in Portena, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	116 mm (4.6 inches)	51%	extreme
February Weather	24°C (75°F)	93 mm (3.7 inches)	57%	extreme
March Weather	22°C (72°F)	94 mm (3.7 inches)	65%	extreme
April Weather	19°C (67°F)	109 mm (4.3 inches)	76%	very high
May Weather	15°C (60°F)	53 mm (2.1 inches)	83%	high
June Weather	13°C (55°F)	20 mm (0.8 inches)	78%	moderate
July Weather	12°C (54°F)	21 mm (0.8 inches)	58%	moderate
August Weather	14°C (58°F)	21 mm (0.8 inches)	54%	high
September Weather	17°C (63°F)	32 mm (1.3 inches)	59%	very high
October Weather	20°C (68°F)	91 mm (3.6 inches)	50%	extreme
November Weather	23°C (73°F)	105 mm (4.1 inches)	53%	extreme
December Weather	25°C (77°F)	102 mm (4.0 inches)	57%	extreme