March Weather in Mercedes, Uruguay

Last updated: August 28, 2025

The average temperature in Mercedes, Uruguay during March is a comfortable 21°C (71°F). However, be prepared for fluctuations, as temperatures can dip to a minimum of 6°C (44°F) and soar to a maximum of 36°C (97°F). Expect some rain, with an average precipitation of 103 mm (4.1 in) spread across 7 days, all while enjoying a pleasant humidity level of 69%.

March Temperature in Mercedes

In March in Mercedes, the average temperature is 21°C (71°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 6°C (44°F). This makes Mercedes an ideal destination for travelers seeking a comfortable climate with a pleasant mix of warm days and cooler evenings.

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

The chart illustrates March 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, March typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (44°F).

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

March Precipitation in Mercedes

In Mercedes in March, the precipitation amount is 103 mm (4.1 in) over a span of 7 days.

March Precipitation Trends in Mercedes

The chart displays monthly precipitation patterns in Mercedes, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Mercedes, March typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Mercedes

In Mercedes in March humidity is 69%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, creating a tropical atmosphere that can make outdoor activities feel slightly sticky, yet invigorating for travelers who are ready to embrace the local culture and explore.

March Average Humidity in Mercedes

This chart illustrates the average monthly humidity levels in Mercedes, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Mercedes is approximately 69%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Mercedes

In Mercedes in March, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Mercedes.

Maximum UV Index Levels in Mercedes for March

The chart shows the monthly maximum UV Index (UVI) for Mercedes in March, 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 March, the maximum UV index in Mercedes typically reaches 11, which falls under the extreme exposure category.

Data source: Mercedes March 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 March 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 March’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 March’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