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May Weather in Portena, Argentina

Last updated: August 22, 2025

In Portena, Argentina, the average temperature in May hovers around 15°C (60°F), with a refreshing minimum of just 1°C (34°F) and a warm maximum that can reach up to 31°C (87°F). During this month, expect about 53 mm (2.1 in) of precipitation spread over 7 days, while humidity remains high at 83%, creating a uniquely vibrant atmosphere.

May Temperature in Portena

In May, in Portena, the average temperature is 15°C (60°F). Maximum temperatures can reach 31°C (87°F), and minimums can drop as low as 1°C (34°F). This varied climate makes Portena an ideal destination for travelers seeking both warm and cool experiences.

May Weather in Portena: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Portena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portena, May typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (87°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec787572676055535863687377
Data source: Temperature data for Portena 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 Portena

In Portena in May, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

May Precipitation Trends in Portena

The chart displays monthly precipitation patterns in Portena, 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 Portena, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1169394110532022213391105102
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Portena

In Portena in May humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

May Average Humidity in Portena

This chart illustrates the average monthly humidity levels in Portena, 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 Portena is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%57%65%76%83%78%58%54%59%50%53%57%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portena

In Portena in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Portena, you can refer to this Hourly UV Index in Portena.

Maximum UV Index Levels in Portena for May

The chart shows the monthly maximum UV Index (UVI) for Portena 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 Portena typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312964579121414
Data source: Portena 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 Portena Compares to Other Months

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

This table compares monthly weather conditions in Portena, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)116 mm (4.6 inches)51%extreme
February Weather24°C (75°F)93 mm (3.7 inches)57%extreme
March Weather22°C (72°F)94 mm (3.7 inches)65%extreme
April Weather19°C (67°F)109 mm (4.3 inches)76%very high
May Weather15°C (60°F)53 mm (2.1 inches)83%high
June Weather13°C (55°F)20 mm (0.8 inches)78%moderate
July Weather12°C (54°F)21 mm (0.8 inches)58%moderate
August Weather14°C (58°F)21 mm (0.8 inches)54%high
September Weather17°C (63°F)32 mm (1.3 inches)59%very high
October Weather20°C (68°F)91 mm (3.6 inches)50%extreme
November Weather23°C (73°F)105 mm (4.1 inches)53%extreme
December Weather25°C (77°F)102 mm (4.0 inches)57%extreme

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