March Weather in Mercedes, Argentina

Last updated: August 22, 2025

In March, the average temperature in Mercedes, Argentina is a pleasant 21°C (69°F). Expect a minimum of 5°C (42°F) and a maximum soaring to 34°C (93°F), offering a diverse range of weather experiences. With an average precipitation of 77 mm (3.0 in) over 7 days, it’s wise to prepare for some rain. The air is comfortably humid, with an average humidity of 66%.

March Temperature in Mercedes

In March in Mercedes, the average temperature is 21°C (69°F). Maximums can reach 34°C (93°F), and minimums can be as low as 5°C (42°F). This makes Mercedes an ideal destination for travelers looking for mild weather with the possibility of warmer or cooler days.

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 (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec757369645652505357626873
Data source: Temperature data for Mercedes 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.

March Precipitation in Mercedes

In Mercedes in March, the precipitation amount is 77 mm (3.0 in) over the course 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 77 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec766377947644444577896577
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mercedes

In Mercedes in March humidity is 66%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it a bit sticky, but still comfortable for traveling as long as you stay hydrated and take breaks in the shade.

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 66%, 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468101314
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.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)76 mm (3.0 inches)50%extreme
February Weather23°C (73°F)63 mm (2.5 inches)61%extreme
March Weather21°C (69°F)77 mm (3.0 inches)66%extreme
April Weather18°C (64°F)94 mm (3.7 inches)80%high
May Weather13°C (57°F)76 mm (3.0 inches)85%moderate
June Weather11°C (52°F)44 mm (1.7 inches)80%moderate
July Weather10°C (50°F)43 mm (1.7 inches)69%moderate
August Weather12°C (53°F)45 mm (1.8 inches)66%high
September Weather14°C (57°F)77 mm (3.0 inches)72%very high
October Weather16°C (62°F)89 mm (3.5 inches)63%very high
November Weather20°C (69°F)65 mm (2.6 inches)59%extreme
December Weather23°C (73°F)77 mm (3.0 inches)56%extreme

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