March Weather in Posadas, Argentina

Last updated: August 22, 2025

In March, the average temperature in Posadas, Argentina hovers around 25°C (77°F), providing a pleasant climate for all sorts of activities. However, be prepared for a range of temperatures; it can dip to a cool 13°C (56°F) and soar up to a sizzling 38°C (101°F). With an average humidity of 74%, the air can feel quite muggy at times. Expect about 106 mm (4.2 in) of precipitation spread over 9 days, so don’t forget your umbrella!

March Temperature in Posadas

In March in Posadas, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 13°C (56°F). This makes it a great time for travelers to enjoy warm weather while still having the option for cooler evenings.

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

The chart illustrates March 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, March typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 13°C (56°F).

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

March Precipitation in Posadas

In Posadas in March, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.

March Precipitation Trends in Posadas

The chart displays monthly precipitation patterns in Posadas, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Posadas, March typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Posadas

In Posadas in March humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

March Average Humidity in Posadas

This chart illustrates the average monthly humidity levels in Posadas, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Posadas is approximately 74%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Posadas

In Posadas in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Posadas.

Maximum UV Index Levels in Posadas for March

The chart shows the monthly maximum UV Index (UVI) for Posadas in March, 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 March, the maximum UV index in Posadas typically reaches 13, which falls under the extreme exposure category.

Data source: Posadas March 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 March 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 March’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 March’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