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March Weather in Buenos Aires, Peru

Last updated: August 27, 2025

In Buenos Aires, Peru, the average temperature in March hovers around 25°C (77°F). Expect minimums of 18°C (65°F) and maximums reaching up to 33°C (91°F). Be prepared for considerable rainfall, with 424 mm (16.7 in) of precipitation expected over 26 days. The atmosphere is quite humid, featuring an average humidity of 87%.

March Temperature in Buenos Aires

In March, in Buenos Aires, the average temperature is 25°C (77°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 18°C (65°F). This mild climate makes it an ideal destination for outdoor activities and sightseeing.

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 (77°F), with highs reaching up to 33°C (91°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec767776757370686868707073
Data source: Temperature data for Buenos Aires generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Buenos Aires

In Buenos Aires in March, the total precipitation amount is 424 mm (16.7 in) spread over 26 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 424 mm (16.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec952334241515011986343987
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Buenos Aires

In Buenos Aires in March, humidity is 87%. With an average temperature of 25°C (77°F), this humidity feels like a thick, warm blanket enveloping you, making travel a challenge as sweat clings to your skin and the air feels heavy and stifling.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%87%86%89%84%71%71%75%77%79%86%
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 reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Buenos Aires, you can check 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 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151517161412121215151414
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.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)95 mm (3.7 inches)89%extreme
February Weather25°C (77°F)233 mm (9.2 inches)87%extreme
March Weather25°C (77°F)424 mm (16.7 inches)87%extreme
April Weather24°C (76°F)151 mm (5.9 inches)86%extreme
May Weather23°C (74°F)50 mm (2.0 inches)89%extreme
June Weather21°C (71°F)11 mm (0.4 inches)84%extreme
July Weather20°C (69°F)8 mm (0.3 inches)71%extreme
August Weather20°C (68°F)8 mm (0.3 inches)71%extreme
September Weather20°C (69°F)6 mm (0.2 inches)75%extreme
October Weather21°C (70°F)34 mm (1.3 inches)77%extreme
November Weather21°C (71°F)39 mm (1.5 inches)79%extreme
December Weather23°C (73°F)87 mm (3.4 inches)86%extreme

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