March Weather in Merlo, Argentina

Last updated: August 22, 2025

In March, the average temperature in Merlo, Argentina hovers around 21°C (70°F), with temperatures ranging from a refreshing 6°C (44°F) to a warm 34°C (94°F). Expect 72 mm (2.8 in) of precipitation over the course of 7 days, complemented by an average humidity of 66%. Prepare yourself for a month of diverse weather!

March Temperature in Merlo

In March in Merlo, the average temperature is 21°C (70°F), with maximums reaching 34°C (94°F) and minimums dropping to as low as 6°C (44°F). This variation in temperature makes Merlo a great destination for travelers seeking both warmth and cooler evenings.

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

The chart illustrates March temperature patterns in Merlo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merlo, March typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (44°F).

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

March Precipitation in Merlo

In Merlo in March, the total precipitation amount is 72 mm (2.8 in) over the course of 7 days.

March Precipitation Trends in Merlo

The chart displays monthly precipitation patterns in Merlo, 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 Merlo, March typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 7 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 Merlo

In Merlo in March humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

March Average Humidity in Merlo

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

In Merlo in March, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Merlo.

Maximum UV Index Levels in Merlo for March

The chart shows the monthly maximum UV Index (UVI) for Merlo 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 Merlo typically reaches 11, which falls under the extreme exposure category.

Data source: Merlo 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 Merlo Compares to Other Months

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

This table compares monthly weather conditions in Merlo, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	67 mm (2.6 inches)	50%	extreme
February Weather	23°C (74°F)	63 mm (2.5 inches)	61%	extreme
March Weather	21°C (70°F)	72 mm (2.8 inches)	66%	extreme
April Weather	18°C (65°F)	83 mm (3.3 inches)	80%	high
May Weather	14°C (57°F)	68 mm (2.7 inches)	85%	moderate
June Weather	11°C (52°F)	56 mm (2.2 inches)	80%	moderate
July Weather	10°C (51°F)	53 mm (2.1 inches)	69%	moderate
August Weather	12°C (53°F)	45 mm (1.8 inches)	66%	high
September Weather	14°C (58°F)	75 mm (3.0 inches)	72%	very high
October Weather	17°C (62°F)	96 mm (3.8 inches)	63%	very high
November Weather	20°C (69°F)	74 mm (2.9 inches)	59%	extreme
December Weather	23°C (73°F)	68 mm (2.7 inches)	56%	extreme