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May Weather in Merlo, Argentina

Last updated: August 22, 2025

In May, the average temperature in Merlo, Argentina hovers around 14°C (57°F). The climate can be quite variable, with lows reaching 1°C (33°F) and highs soaring up to 28°C (83°F). Expect a total precipitation of 68 mm (2.7 in) spread across 7 days, accompanied by an average humidity level of 85%. Enjoy the diversity of weather while planning your activities!

May Temperature in Merlo

In May in Merlo, the average temperature is 14°C (57°F). The maximum can reach 28°C (83°F), while the minimum can dip to as low as 1°C (33°F). This variation makes it a great month for travelers seeking mild temperatures and the opportunity to experience both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Merlo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merlo, May typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370655752505357626873
Data source: Temperature data for Merlo 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 Merlo

In Merlo in May, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.

May Precipitation Trends in Merlo

The chart displays monthly precipitation patterns in Merlo, 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 Merlo, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec676372836856534575967468
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Merlo

In Merlo in May, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

May Average Humidity in Merlo

This chart illustrates the average monthly humidity levels in Merlo, 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 Merlo 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 Merlo

In Merlo 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 Merlo.

Maximum UV Index Levels in Merlo for May

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

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

This table compares monthly weather conditions in Merlo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)67 mm (2.6 inches)50%extreme
February Weather23°C (74°F)63 mm (2.5 inches)61%extreme
March Weather21°C (70°F)72 mm (2.8 inches)66%extreme
April Weather18°C (65°F)83 mm (3.3 inches)80%high
May Weather14°C (57°F)68 mm (2.7 inches)85%moderate
June Weather11°C (52°F)56 mm (2.2 inches)80%moderate
July Weather10°C (51°F)53 mm (2.1 inches)69%moderate
August Weather12°C (53°F)45 mm (1.8 inches)66%high
September Weather14°C (58°F)75 mm (3.0 inches)72%very high
October Weather17°C (62°F)96 mm (3.8 inches)63%very high
November Weather20°C (69°F)74 mm (2.9 inches)59%extreme
December Weather23°C (73°F)68 mm (2.7 inches)56%extreme

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