January Weather in Posadas, Argentina

Last updated: August 22, 2025

In January, the average temperature in Posadas, Argentina is a warm 27°C (81°F), making it perfect for outdoor activities. However, be prepared for a range, as temperatures can dip to 16°C (60°F) at their lowest and soar to a sizzling 41°C (106°F). Rainfall is also a factor, with an average precipitation of 156 mm (6.2 in) spread over 13 days, contributing to an average humidity of 77%. Plan accordingly to enjoy all that this vibrant destination has to offer!

January Temperature in Posadas

In January in Posadas, the average temperature is 27°C (81°F). Maximum temperatures can reach 41°C (106°F), while minimums can drop to as low as 16°C (60°F). This climate makes Posadas a warm destination, perfect for enjoying both outdoor adventures and leisurely activities.

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

The chart illustrates January temperature patterns in Posadas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Posadas, January typically has an average temperature of 27°C (81°F), with highs reaching up to 41°C (106°F) and lows dropping to around 16°C (60°F).

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

January Precipitation in Posadas

In Posadas in January, the precipitation amount is 156 mm (6.2 in) over the course of 13 days.

January Precipitation Trends in Posadas

The chart displays monthly precipitation patterns in Posadas, 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 Posadas, January typically receives around 156 mm (6.2 inches) of precipitation spread over approximately 13 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 Posadas

In Posadas in January, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

January Average Humidity in Posadas

This chart illustrates the average monthly humidity levels in Posadas, 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 Posadas is approximately 77%, 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 Posadas

In Posadas 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 Posadas.

Maximum UV Index Levels in Posadas for January

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

Data source: Posadas 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 Posadas Compares to Other Months

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

This table compares monthly weather conditions in Posadas, 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 (81°F)	156 mm (6.2 inches)	77%	extreme
February Weather	26°C (79°F)	91 mm (3.6 inches)	71%	extreme
March Weather	25°C (77°F)	106 mm (4.2 inches)	74%	extreme
April Weather	22°C (72°F)	122 mm (4.8 inches)	82%	very high
May Weather	19°C (66°F)	211 mm (8.3 inches)	82%	high
June Weather	17°C (63°F)	94 mm (3.7 inches)	73%	moderate
July Weather	16°C (61°F)	80 mm (3.1 inches)	67%	high
August Weather	18°C (65°F)	72 mm (2.8 inches)	49%	high
September Weather	21°C (70°F)	101 mm (4.0 inches)	54%	very high
October Weather	23°C (73°F)	175 mm (6.9 inches)	58%	extreme
November Weather	24°C (76°F)	142 mm (5.6 inches)	69%	extreme
December Weather	26°C (79°F)	82 mm (3.2 inches)	84%	extreme