May Weather in Rio Primero, Argentina

Last updated: August 22, 2025

In Rio Primero, Argentina, the average temperature in May hovers around 15°C (59°F), with a minimum dip to 1°C (35°F) and a pleasant peak at 30°C (87°F). Expect around 46 mm (1.8 in) of precipitation spread over 7 days, and enjoy the moderately high average humidity of 82% that adds to the region's unique climate charm.

May Temperature in Rio Primero

In May in Rio Primero, the average temperature is 15°C (59°F), with maximums reaching 30°C (87°F) and minimums diving as low as 1°C (35°F). This makes it a great time for travelers to experience a diverse range of weather, so packing layers is advisable.

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

The chart illustrates May temperature patterns in Rio Primero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Primero, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (35°F).

Data source: Temperature data for Rio Primero generated using information from the Copernicus Climate Change Service.

May Precipitation in Rio Primero

In Rio Primero in May, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.

May Precipitation Trends in Rio Primero

The chart displays monthly precipitation patterns in Rio Primero, 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 Primero, May typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Rio Primero

In Rio Primero in May, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

May Average Humidity in Rio Primero

This chart illustrates the average monthly humidity levels in Rio Primero, 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 Primero is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rio Primero

In Rio Primero 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 Rio Primero, you can refer to this Hourly UV Index in Rio Primero.

Maximum UV Index Levels in Rio Primero for May

The chart shows the monthly maximum UV Index (UVI) for Rio Primero 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 Primero typically reaches 6, which falls under the high exposure category.

Data source: Rio Primero 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 Primero Compares to Other Months

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

This table compares monthly weather conditions in Rio Primero, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	119 mm (4.7 inches)	48%	extreme
February Weather	24°C (75°F)	83 mm (3.3 inches)	54%	extreme
March Weather	22°C (72°F)	78 mm (3.1 inches)	59%	extreme
April Weather	19°C (67°F)	85 mm (3.3 inches)	76%	very high
May Weather	15°C (59°F)	46 mm (1.8 inches)	82%	high
June Weather	12°C (53°F)	14 mm (0.5 inches)	74%	moderate
July Weather	11°C (52°F)	13 mm (0.5 inches)	55%	moderate
August Weather	13°C (57°F)	7 mm (0.3 inches)	48%	high
September Weather	17°C (62°F)	25 mm (1.0 inches)	53%	very high
October Weather	20°C (68°F)	56 mm (2.2 inches)	45%	extreme
November Weather	23°C (73°F)	99 mm (3.9 inches)	53%	extreme
December Weather	25°C (77°F)	90 mm (3.5 inches)	53%	extreme