May Weather in Mercedes, Uruguay

Last updated: August 28, 2025

In May, the average temperature in Mercedes, Uruguay is a comfortable 15°C (58°F). Expect a range from 1°C (35°F) at its coolest to a pleasant 28°C (82°F) at its warmest. This month typically sees about 92 mm (3.6 in) of precipitation over 7 days, accompanied by an average humidity level of 85%. Be prepared for a mix of delightful weather, with the occasional shower!

May Temperature in Mercedes

In May in Mercedes, the average temperature is 15°C (58°F), with maximums reaching 28°C (82°F) and minimums dropping as low as 1°C (35°F). It's advisable to pack layers to comfortably enjoy the varied weather while exploring.

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

The chart illustrates May temperature patterns in Mercedes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercedes, May typically has an average temperature of 15°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around 1°C (35°F).

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

May Precipitation in Mercedes

In Mercedes in May, the precipitation amount is 92 mm (3.6 in) over the course of 7 days.

May Precipitation Trends in Mercedes

The chart displays monthly precipitation patterns in Mercedes, 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 Mercedes, May typically receives around 92 mm (3.6 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 Mercedes

In Mercedes 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 Mercedes

This chart illustrates the average monthly humidity levels in Mercedes, 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 Mercedes is approximately 85%, 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 Mercedes

In Mercedes 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 Mercedes.

Maximum UV Index Levels in Mercedes for May

The chart shows the monthly maximum UV Index (UVI) for Mercedes 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 Mercedes typically reaches 5, which falls under the moderate exposure category.

Data source: Mercedes 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 Mercedes Compares to Other Months

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

This table compares monthly weather conditions in Mercedes, 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 (77°F)	110 mm (4.3 inches)	54%	extreme
February Weather	24°C (75°F)	107 mm (4.2 inches)	61%	extreme
March Weather	21°C (71°F)	103 mm (4.1 inches)	69%	extreme
April Weather	19°C (66°F)	95 mm (3.7 inches)	79%	very high
May Weather	15°C (58°F)	92 mm (3.6 inches)	85%	moderate
June Weather	12°C (54°F)	71 mm (2.8 inches)	82%	moderate
July Weather	11°C (52°F)	68 mm (2.7 inches)	69%	moderate
August Weather	13°C (55°F)	87 mm (3.4 inches)	65%	high
September Weather	15°C (60°F)	98 mm (3.9 inches)	70%	very high
October Weather	17°C (64°F)	97 mm (3.8 inches)	63%	extreme
November Weather	21°C (71°F)	61 mm (2.4 inches)	60%	extreme
December Weather	23°C (74°F)	96 mm (3.8 inches)	63%	extreme