March Weather in Santiago, Mexico

Last updated: August 27, 2025

The average temperature in Santiago, Mexico during March is a pleasant 20°C (69°F). While the minimum can dip to 8°C (46°F), it can also reach a maximum of 33°C (93°F). Expect minimal rain, with an average precipitation amount of just 2 mm (0.1 in) spread over 0 days. The overall average humidity hovers around 65%, making for a comfortable and enjoyable atmosphere.

March Temperature in Santiago

In March in Santiago, the average temperature is 20°C (69°F). Maximums can reach 33°C (93°F), and minimums can be as low as 8°C (46°F). It's an ideal time for travelers to enjoy pleasant weather while exploring the area.

March Weather in Santiago: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago, March typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (93°F) and lows dropping to around 8°C (46°F).

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

March Precipitation in Santiago

In Santiago in March, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

March Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, 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 Santiago, March typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Santiago

In Santiago in March, humidity is 65%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, creating a sticky atmosphere that can be quite oppressive for traveling, making every step feel heavier and the air thick with moisture.

March Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, 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 Santiago is approximately 65%, 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 Santiago

In Santiago 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 Santiago.

Maximum UV Index Levels in Santiago for March

The chart shows the monthly maximum UV Index (UVI) for Santiago 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 Santiago typically reaches 11, which falls under the extreme exposure category.

Data source: Santiago 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 Santiago Compares to Other Months

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

This table compares monthly weather conditions in Santiago, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	10 mm (0.4 inches)	68%	high
February Weather	18°C (65°F)	14 mm (0.6 inches)	66%	very high
March Weather	20°C (69°F)	2 mm (0.1 inches)	65%	extreme
April Weather	23°C (73°F)	1 mm (0.0 inches)	63%	extreme
May Weather	25°C (77°F)	0 mm (0.0 inches)	63%	extreme
June Weather	28°C (83°F)	22 mm (0.9 inches)	66%	extreme
July Weather	28°C (84°F)	93 mm (3.7 inches)	71%	extreme
August Weather	28°C (83°F)	131 mm (5.2 inches)	73%	extreme
September Weather	26°C (80°F)	175 mm (6.9 inches)	74%	extreme
October Weather	25°C (78°F)	25 mm (1.0 inches)	73%	extreme
November Weather	22°C (72°F)	24 mm (0.9 inches)	71%	very high
December Weather	18°C (65°F)	14 mm (0.5 inches)	69%	high