March Weather in San Martin, Argentina

Last updated: August 22, 2025

In March, the average temperature in San Martin, Argentina is a pleasant 22°C (72°F), making it an ideal time to explore the area. However, be prepared for temperature fluctuations, as it can dip to a cool 6°C (43°F) at night or soar to a scorching 39°C (103°F) during the day. With an average precipitation of 17 mm (0.7 in) over 3 days, you might encounter some light rain, and the average humidity hovers around 56%, adding to the tropical feel of the region.

March Temperature in San Martin

In March in San Martin, the average temperature is 22°C (72°F). Maximum temperatures can reach 39°C (103°F), while minimums can dip as low as 6°C (43°F). Pack accordingly for a mix of warm days and cooler evenings during your travels!

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

The chart illustrates March temperature patterns in San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin, March typically has an average temperature of 22°C (72°F), with highs reaching up to 39°C (103°F) and lows dropping to around 6°C (43°F).

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

March Precipitation in San Martin

In San Martin in March, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

March Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, 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 Martin, March typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 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 San Martin

In San Martin in March humidity is 56%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making it quite comfortable for traveling while also adding a touch of stickiness that encourages you to hydrate and seek out refreshing breaks in the shade.

March Average Humidity in San Martin

This chart illustrates the average monthly humidity levels in San Martin, 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 Martin is approximately 56%, 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 San Martin

In San Martin in March, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Martin.

Maximum UV Index Levels in San Martin for March

The chart shows the monthly maximum UV Index (UVI) for San Martin 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 Martin typically reaches 12, which falls under the extreme exposure category.

Data source: San Martin 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 Martin Compares to Other Months

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

This table compares monthly weather conditions in San Martin, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	19 mm (0.8 inches)	44%	extreme
February Weather	25°C (77°F)	17 mm (0.7 inches)	48%	extreme
March Weather	22°C (72°F)	17 mm (0.7 inches)	56%	extreme
April Weather	18°C (65°F)	15 mm (0.6 inches)	67%	very high
May Weather	14°C (57°F)	11 mm (0.4 inches)	66%	high
June Weather	9°C (49°F)	6 mm (0.2 inches)	58%	moderate
July Weather	9°C (48°F)	8 mm (0.3 inches)	58%	moderate
August Weather	12°C (54°F)	3 mm (0.1 inches)	52%	high
September Weather	16°C (61°F)	12 mm (0.5 inches)	45%	very high
October Weather	19°C (67°F)	13 mm (0.5 inches)	43%	extreme
November Weather	23°C (73°F)	14 mm (0.5 inches)	41%	extreme
December Weather	25°C (77°F)	18 mm (0.7 inches)	37%	extreme