March Weather in Buenos Aires, Mexico

Last updated: August 27, 2025

In Buenos Aires, Mexico, the average temperature in March hovers around 25°C (78°F), with lows dipping to 15°C (60°F) and soaring highs reaching up to 38°C (101°F). Expect some rain, as 70 mm (2.8 in) of precipitation typically falls over 9 days. The atmosphere can feel quite humid, with an average humidity level of 84%.

March Temperature in Buenos Aires

In March in Buenos Aires, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), and minimums can be as low as 15°C (60°F). It's an ideal time for travelers to enjoy warm days while being prepared for cooler evenings.

March Weather in Buenos Aires: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Buenos Aires, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buenos Aires, March typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 15°C (60°F).

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

March Precipitation in Buenos Aires

In Buenos Aires in March, the total precipitation amount is 70 mm (2.8 in) spread over 9 days.

March Precipitation Trends in Buenos Aires

The chart displays monthly precipitation patterns in Buenos Aires, 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 Buenos Aires, March typically receives around 70 mm (2.8 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 Buenos Aires

In Buenos Aires in March, humidity is 84%. With an average temperature of 25°C (78°F), this humidity feels like a warm, muggy embrace that can be quite stifling for traveling, making you crave cool breezes and plenty of hydration as you explore.

March Average Humidity in Buenos Aires

This chart illustrates the average monthly humidity levels in Buenos Aires, 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 Buenos Aires is approximately 84%, 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 Buenos Aires

In Buenos Aires in March, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Buenos Aires.

Maximum UV Index Levels in Buenos Aires for March

The chart shows the monthly maximum UV Index (UVI) for Buenos Aires 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 Buenos Aires typically reaches 12, which falls under the extreme exposure category.

Data source: Buenos Aires 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 Buenos Aires Compares to Other Months

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

This table compares monthly weather conditions in Buenos Aires, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	62 mm (2.4 inches)	88%	very high
February Weather	23°C (74°F)	70 mm (2.8 inches)	86%	extreme
March Weather	25°C (78°F)	70 mm (2.8 inches)	84%	extreme
April Weather	27°C (82°F)	67 mm (2.6 inches)	81%	extreme
May Weather	29°C (84°F)	102 mm (4.0 inches)	82%	extreme
June Weather	28°C (82°F)	304 mm (12.0 inches)	81%	extreme
July Weather	28°C (82°F)	190 mm (7.5 inches)	81%	extreme
August Weather	28°C (82°F)	252 mm (9.9 inches)	82%	extreme
September Weather	27°C (82°F)	335 mm (13.2 inches)	86%	extreme
October Weather	26°C (80°F)	265 mm (10.5 inches)	90%	extreme
November Weather	24°C (76°F)	139 mm (5.5 inches)	91%	very high
December Weather	23°C (73°F)	61 mm (2.4 inches)	91%	very high