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March Weather in San Isidro, Argentina

Last updated: August 22, 2025

In San Isidro, Argentina, the average temperature in March is a comfortable 18°C (65°F). However, temperatures can vary significantly, with a minimum of 6°C (42°F) and a maximum reaching 31°C (88°F). Expect about 87 mm (3.4 in) of precipitation spread over 11 days, contributing to an average humidity level of 68%. Stay prepared for the diverse weather conditions!

March Temperature in San Isidro

In March in San Isidro, the average temperature is 18°C (65°F). Maximums can reach 31°C (88°F) and minimums can be as low as 6°C (42°F). This fluctuating climate makes San Isidro an ideal destination for travelers looking to experience a variety of outdoor activities in comfortable weather.

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

The chart illustrates March temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, March typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec716865615448485258636769
Data source: Temperature data for San Isidro 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 Isidro

In San Isidro in March, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

March Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, 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 Isidro, March typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001338763341566284984117
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Isidro

In San Isidro in March, humidity is 68%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel somewhat sticky and requiring occasional breaks for refreshing hydration.

March Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, 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 Isidro is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%66%68%83%82%72%57%42%51%47%58%62%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Isidro

In San Isidro in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Isidro.

Maximum UV Index Levels in San Isidro for March

The chart shows the monthly maximum UV Index (UVI) for San Isidro 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 Isidro typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141310756710131515
Data source: San Isidro 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 Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)100 mm (3.9 inches)63%extreme
February Weather20°C (68°F)133 mm (5.2 inches)66%extreme
March Weather18°C (65°F)87 mm (3.4 inches)68%extreme
April Weather16°C (61°F)63 mm (2.5 inches)83%very high
May Weather12°C (54°F)34 mm (1.3 inches)82%high
June Weather9°C (48°F)14 mm (0.6 inches)72%moderate
July Weather9°C (48°F)6 mm (0.3 inches)57%high
August Weather11°C (53°F)6 mm (0.2 inches)42%high
September Weather14°C (58°F)28 mm (1.1 inches)51%very high
October Weather17°C (63°F)49 mm (1.9 inches)47%extreme
November Weather19°C (67°F)84 mm (3.3 inches)58%extreme
December Weather21°C (69°F)117 mm (4.6 inches)61%extreme

Compare San Isidro's Climate with Cities Worldwide