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May Weather in Buenos Aires, Mexico

Last updated: August 27, 2025

In May, the average temperature in Buenos Aires, Mexico hovers around 26°C (80°F), with minimums dipping to 20°C (69°F) and maximums peaking at 33°C (92°F). Expect a light sprinkle with a precipitation amount of 8 mm (0.3 in) over approximately 1 day. The air remains comfortably warm, featuring an average humidity level of 73%.

May Temperature in Buenos Aires

In May in Buenos Aires, the average temperature is 26°C (80°F), with maximums reaching up to 33°C (92°F) and minimums as low as 20°C (69°F). This pleasant weather makes it an ideal time for traveling and exploring the local attractions.

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

The chart illustrates May 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, May typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777777981828181808078
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.

May Precipitation in Buenos Aires

In Buenos Aires in May, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

May Precipitation Trends in Buenos Aires

The chart displays monthly precipitation patterns in Buenos Aires, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Buenos Aires, May typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec54218213143312319266567
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Buenos Aires

In Buenos Aires in May, humidity is 73%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration a bit sticky but still inviting, perfect for leisurely strolls in the shade or refreshing breaks by the water.

May Average Humidity in Buenos Aires

This chart illustrates the average monthly humidity levels in Buenos Aires, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Buenos Aires is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%69%73%76%78%79%78%75%72%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Buenos Aires

In Buenos Aires in May, 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 Buenos Aires.

Maximum UV Index Levels in Buenos Aires for May

The chart shows the monthly maximum UV Index (UVI) for Buenos Aires in May, 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 May, the maximum UV index in Buenos Aires typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141312131198
Data source: Buenos Aires May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)5 mm (0.2 inches)66%very high
February Weather25°C (77°F)4 mm (0.2 inches)64%extreme
March Weather25°C (78°F)2 mm (0.1 inches)63%extreme
April Weather25°C (78°F)1 mm (0.1 inches)69%extreme
May Weather26°C (80°F)8 mm (0.3 inches)73%extreme
June Weather27°C (81°F)213 mm (8.4 inches)76%extreme
July Weather28°C (82°F)143 mm (5.6 inches)78%extreme
August Weather27°C (81°F)312 mm (12.3 inches)79%extreme
September Weather27°C (81°F)319 mm (12.5 inches)78%extreme
October Weather27°C (81°F)266 mm (10.5 inches)75%extreme
November Weather26°C (80°F)56 mm (2.2 inches)72%very high
December Weather26°C (78°F)7 mm (0.3 inches)70%very high

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