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March Weather in San Carlos, Uruguay

Last updated: August 28, 2025

In March, the average temperature in San Carlos, Uruguay is a pleasant 20°C (69°F). However, temperatures can range from a cool 10°C (51°F) to a warm 32°C (90°F). Be prepared for some rain, as 66 mm (2.6 in) of precipitation can fall over approximately 9 days. With an average humidity level of 73%, the weather offers a mix of warmth and moisture, perfect for enjoying the local sights!

March Temperature in San Carlos

In March in San Carlos, the average temperature is 20°C (69°F). Maximums can reach 32°C (90°F) and minimums can be as low as 10°C (51°F). This range makes San Carlos an ideal destination for travelers seeking pleasant weather and a comfortable climate.

March Weather in San Carlos: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in San Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Carlos, March typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec737269655854525456606569
Data source: Temperature data for San Carlos 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 San Carlos

In San Carlos in March, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

March Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, 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 San Carlos, March typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec771006689781201059785946260
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Carlos

In San Carlos in March humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

March Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, 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 San Carlos is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Carlos

In San Carlos 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 San Carlos.

Maximum UV Index Levels in San Carlos for March

The chart shows the monthly maximum UV Index (UVI) for San Carlos 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 San Carlos typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468111314
Data source: San Carlos 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 San Carlos Compares to Other Months

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

This table compares monthly weather conditions in San Carlos, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)77 mm (3.0 inches)63%extreme
February Weather22°C (72°F)100 mm (3.9 inches)69%extreme
March Weather20°C (69°F)66 mm (2.6 inches)73%extreme
April Weather18°C (65°F)89 mm (3.5 inches)79%high
May Weather15°C (59°F)78 mm (3.1 inches)82%moderate
June Weather12°C (54°F)120 mm (4.7 inches)80%moderate
July Weather11°C (52°F)105 mm (4.2 inches)72%moderate
August Weather12°C (54°F)97 mm (3.8 inches)72%high
September Weather13°C (57°F)85 mm (3.3 inches)76%very high
October Weather15°C (60°F)94 mm (3.7 inches)71%extreme
November Weather18°C (65°F)62 mm (2.4 inches)68%extreme
December Weather21°C (69°F)60 mm (2.4 inches)65%extreme

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