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March Weather in San Luis, Argentina

Last updated: August 22, 2025

In March, the average temperature in San Luis, Argentina hovers around 20°C (69°F). Expect a minimum of 3°C (38°F) and a maximum of 36°C (96°F) during this month. With an average precipitation of 60 mm (2.4 in) spread over 9 days, the air feels relatively comfortable with an average humidity of 53%.

March Temperature in San Luis

In March in San Luis, the average temperature is 20°C (69°F). Maximum can reach 36°C (96°F) and minimum can be as low as 3°C (38°F). Be sure to pack both light clothing for warm days and layers for cooler evenings while traveling to San Luis during this time.

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

The chart illustrates March temperature patterns in San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Luis, March typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (96°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec757268635548485359647074
Data source: Temperature data for San Luis 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 Luis

In San Luis in March, the total precipitation amount is 60 mm (2.4 in), occurring over a span of 9 days.

March Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, 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 Luis, March typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9279607232139421327163
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Luis

In San Luis in March humidity is 53%. With an average temperature of 20°C (69°F), this humidity feels like a gentle embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

March Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, 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 Luis is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%48%53%63%67%61%55%48%45%43%45%40%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Luis

In San Luis 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 Luis.

Maximum UV Index Levels in San Luis for March

The chart shows the monthly maximum UV Index (UVI) for San Luis 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 Luis typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151311854468111415
Data source: San Luis 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 Luis Compares to Other Months

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

This table compares monthly weather conditions in San Luis, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)92 mm (3.6 inches)40%extreme
February Weather22°C (72°F)79 mm (3.1 inches)48%extreme
March Weather20°C (69°F)60 mm (2.4 inches)53%extreme
April Weather17°C (63°F)72 mm (2.8 inches)63%very high
May Weather13°C (55°F)32 mm (1.2 inches)67%moderate
June Weather9°C (49°F)13 mm (0.5 inches)61%moderate
July Weather9°C (48°F)9 mm (0.4 inches)55%moderate
August Weather12°C (54°F)4 mm (0.2 inches)48%high
September Weather15°C (59°F)21 mm (0.8 inches)45%very high
October Weather18°C (64°F)32 mm (1.2 inches)43%extreme
November Weather21°C (70°F)71 mm (2.8 inches)45%extreme
December Weather23°C (74°F)63 mm (2.5 inches)40%extreme

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