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May Weather in Avellaneda, Argentina

Last updated: August 22, 2025

In May, the average temperature in Avellaneda, Argentina hovers around 15°C (58°F), offering a mild climate perfect for exploration. However, be prepared for temperature variations, with minimums dipping to 3°C (38°F) and maximums reaching 25°C (77°F). Expect 71 mm (2.8 in) of precipitation spread across 7 days, and keep in mind that the average humidity is a high 85%, adding a layer of comfort to your adventures.

May Temperature in Avellaneda

In May in Avellaneda, the average temperature is 15°C (58°F). Maximums can reach 25°C (77°F) and minimums can be as low as 3°C (38°F). This makes Avellaneda a perfect destination for travelers who enjoy mild weather and outdoor activities.

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

The chart illustrates May temperature patterns in Avellaneda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avellaneda, May typically has an average temperature of 15°C (58°F), with highs reaching up to 25°C (77°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370665854515458626872
Data source: Temperature data for Avellaneda 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 Avellaneda

In Avellaneda in May, the precipitation amount is 71 mm (2.8 in) over a span of 7 days.

May Precipitation Trends in Avellaneda

The chart displays monthly precipitation patterns in Avellaneda, 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 Avellaneda, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec626975797161654878926765
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Avellaneda

In Avellaneda in May humidity is 85%. With an average temperature of 15°C (58°F), this humidity feels like an enveloping blanket, making travel feel sticky and heavy, often leading to a sense of discomfort that can drain your energy during outdoor explorations.

May Average Humidity in Avellaneda

This chart illustrates the average monthly humidity levels in Avellaneda, 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 Avellaneda is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%61%66%80%85%80%69%66%72%63%59%56%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Avellaneda

In Avellaneda in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Avellaneda.

Maximum UV Index Levels in Avellaneda for May

The chart shows the monthly maximum UV Index (UVI) for Avellaneda 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 Avellaneda typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211753468101314
Data source: Avellaneda 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 Avellaneda Compares to Other Months

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

This table compares monthly weather conditions in Avellaneda, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)62 mm (2.5 inches)50%extreme
February Weather23°C (74°F)69 mm (2.7 inches)61%extreme
March Weather21°C (70°F)75 mm (3.0 inches)66%extreme
April Weather19°C (66°F)79 mm (3.1 inches)80%high
May Weather15°C (58°F)71 mm (2.8 inches)85%moderate
June Weather12°C (54°F)61 mm (2.4 inches)80%moderate
July Weather11°C (51°F)65 mm (2.6 inches)69%moderate
August Weather12°C (54°F)48 mm (1.9 inches)66%high
September Weather14°C (58°F)78 mm (3.1 inches)72%very high
October Weather17°C (62°F)92 mm (3.6 inches)63%very high
November Weather20°C (69°F)67 mm (2.6 inches)59%extreme
December Weather22°C (73°F)65 mm (2.6 inches)56%extreme

Compare Avellaneda's Climate with Cities Worldwide