March Weather in Santiago, Peru

Last updated: August 27, 2025

In March, the average temperature in Santiago, Peru hovers around 24°C (75°F), with the minimum dipping to 17°C (63°F) and the maximum reaching up to 32°C (90°F). Expect about 12 mm (0.5 in) of precipitation spread over approximately 3 days, and enjoy the warmth with an average humidity of 86%.

March Temperature in Santiago

In March in Santiago, the average temperature is 24°C (75°F). Maximums can reach 32°C (90°F) and minimums can be as low as 17°C (63°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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 24°C (75°F), with highs reaching up to 32°C (90°F) and lows dropping to around 17°C (63°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 12 mm (0.5 in) during a span of 3 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 12 mm (0.5 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 Santiago

In Santiago in March, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

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 86%, 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 an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, 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 15, 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	23°C (74°F)	30 mm (1.2 inches)	85%	extreme
February Weather	24°C (75°F)	25 mm (1.0 inches)	85%	extreme
March Weather	24°C (75°F)	12 mm (0.5 inches)	86%	extreme
April Weather	22°C (72°F)	3 mm (0.1 inches)	88%	extreme
May Weather	20°C (68°F)	1 mm (0.0 inches)	85%	extreme
June Weather	18°C (66°F)	1 mm (0.0 inches)	78%	very high
July Weather	18°C (64°F)	1 mm (0.0 inches)	75%	very high
August Weather	18°C (64°F)	0 mm (0.0 inches)	73%	extreme
September Weather	18°C (65°F)	0 mm (0.0 inches)	74%	extreme
October Weather	19°C (67°F)	1 mm (0.0 inches)	78%	extreme
November Weather	20°C (69°F)	1 mm (0.0 inches)	82%	extreme
December Weather	22°C (71°F)	4 mm (0.2 inches)	83%	extreme