March Weather in Rancagua, Chile

Last updated: August 22, 2025

In March, the average temperature in Rancagua, Chile hovers around 18°C (64°F), with a range spanning from a brisk 3°C (38°F) to a warm 31°C (87°F). Expect a modest precipitation of 9 mm (0.3 in) over the course of just 1 day, while the average humidity remains comfortably at 46%. Enjoy the mild climate as you explore this charming destination!

March Temperature in Rancagua

In March in Rancagua, the average temperature is 18°C (64°F). Maximums can reach 31°C (87°F) and minimums can be as low as 3°C (38°F). This climate makes Rancagua an ideal destination for travelers who enjoy mild to warm weather during this time of year.

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

The chart illustrates March temperature patterns in Rancagua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancagua, March typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (87°F) and lows dropping to around 3°C (38°F).

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

March Precipitation in Rancagua

In Rancagua in March, the precipitation amount is 9 mm (0.3 in) over the course of 1 day.

March Precipitation Trends in Rancagua

The chart displays monthly precipitation patterns in Rancagua, 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 Rancagua, March typically receives around 9 mm (0.3 inches) of precipitation spread over approximately 1 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 Rancagua

In Rancagua in March humidity is 46%. With an average temperature of 18°C (64°F), this humidity feels like a pleasant and comfortable experience for traveling, allowing for enjoyable outdoor activities without feeling overly sticky or oppressive.

March Average Humidity in Rancagua

This chart illustrates the average monthly humidity levels in Rancagua, 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 Rancagua is approximately 46%, 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 Rancagua

In Rancagua 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 Rancagua.

Maximum UV Index Levels in Rancagua for March

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

Data source: Rancagua 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 Rancagua Compares to Other Months

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

This table compares monthly weather conditions in Rancagua, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	18 mm (0.7 inches)	40%	extreme
February Weather	20°C (68°F)	6 mm (0.2 inches)	41%	extreme
March Weather	18°C (64°F)	9 mm (0.3 inches)	46%	extreme
April Weather	14°C (58°F)	20 mm (0.8 inches)	54%	very high
May Weather	11°C (51°F)	60 mm (2.3 inches)	70%	moderate
June Weather	7°C (45°F)	150 mm (5.9 inches)	78%	moderate
July Weather	7°C (45°F)	83 mm (3.3 inches)	82%	moderate
August Weather	8°C (47°F)	88 mm (3.5 inches)	79%	high
September Weather	11°C (52°F)	65 mm (2.5 inches)	62%	very high
October Weather	13°C (55°F)	69 mm (2.7 inches)	64%	extreme
November Weather	17°C (62°F)	19 mm (0.7 inches)	53%	extreme
December Weather	19°C (67°F)	7 mm (0.3 inches)	39%	extreme