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May Weather in Rio Grande, Argentina

Last updated: August 22, 2025

In May, the average temperature in Rio Grande, Argentina hovers around 6°C (43°F), with a minimum plunge to -3°C (27°F) and a maximum reach of 12°C (54°F). Expect about 51 mm (2.0 in) of precipitation over 9 days, coupled with a high average humidity of 88%.

May Temperature in Rio Grande

In May in Rio Grande, the average temperature is 6°C (43°F). Maximums can reach 12°C (54°F), and minimums can drop as low as -3°C (27°F). Travelers should prepare for chilly days and pack layers to stay comfortable in fluctuating temperatures.

May Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, May typically has an average temperature of 6°C (43°F), with highs reaching up to 12°C (54°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec515250464238373840434750
Data source: Temperature data for Rio Grande 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 Rio Grande

In Rio Grande in May, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

May Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, 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 Rio Grande, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec493859415132303824293639
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rio Grande

In Rio Grande in May, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

May Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, 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 Rio Grande is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%80%82%86%88%90%89%86%83%81%79%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rio Grande

In Rio Grande in May, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Rio Grande, you can visit Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for May

The chart shows the monthly maximum UV Index (UVI) for Rio Grande 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 Rio Grande typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec108632113491210
Data source: Rio Grande 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 Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)49 mm (1.9 inches)79%very high
February Weather11°C (52°F)38 mm (1.5 inches)80%very high
March Weather10°C (50°F)59 mm (2.3 inches)82%high
April Weather8°C (46°F)41 mm (1.6 inches)86%moderate
May Weather6°C (43°F)51 mm (2.0 inches)88%low
June Weather3°C (38°F)32 mm (1.3 inches)89%low
July Weather3°C (37°F)30 mm (1.2 inches)89%low
August Weather4°C (39°F)38 mm (1.5 inches)86%moderate
September Weather5°C (41°F)23 mm (0.9 inches)83%moderate
October Weather6°C (43°F)29 mm (1.1 inches)81%very high
November Weather8°C (47°F)36 mm (1.4 inches)79%extreme
December Weather10°C (51°F)39 mm (1.5 inches)79%very high

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