March Weather in Rio Santiago, Mexico

Last updated: August 26, 2025

In March, the average temperature in Rio Santiago, Mexico hovers around 19°C (66°F), offering a pleasant climate for outdoor activities. However, temperature extremes can occur, with the minimum dipping to 8°C (46°F) and the maximum soaring to 33°C (92°F). Expect precipitation of approximately 87 mm (3.4 in) spread over 12 days, accompanied by an average humidity level of 73%. Whether you're planning a trip or simply curious, this month brings a mix of warmth and occasional rain.

March Temperature in Rio Santiago

In March in Rio Santiago, the average temperature is 19°C (66°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 8°C (46°F). This range makes it a great time for travelers to enjoy a mix of warm days and cooler evenings while exploring the local attractions.

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

The chart illustrates March temperature patterns in Rio Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Santiago, March typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (46°F).

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

March Precipitation in Rio Santiago

In Rio Santiago in March, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

March Precipitation Trends in Rio Santiago

The chart displays monthly precipitation patterns in Rio 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 Rio Santiago, March typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 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 Rio Santiago

In Rio Santiago in March humidity is 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.

March Average Humidity in Rio Santiago

This chart illustrates the average monthly humidity levels in Rio 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 Rio Santiago is approximately 73%, 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 Rio Santiago

In Rio Santiago in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Rio Santiago.

Maximum UV Index Levels in Rio Santiago for March

The chart shows the monthly maximum UV Index (UVI) for Rio 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 Rio Santiago typically reaches 13, which falls under the extreme exposure category.

Data source: Rio 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 Rio Santiago Compares to Other Months

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

This table compares monthly weather conditions in Rio Santiago, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	96 mm (3.8 inches)	84%	very high
February Weather	17°C (64°F)	83 mm (3.3 inches)	80%	extreme
March Weather	19°C (66°F)	87 mm (3.4 inches)	73%	extreme
April Weather	21°C (70°F)	124 mm (4.9 inches)	67%	extreme
May Weather	22°C (72°F)	181 mm (7.1 inches)	72%	extreme
June Weather	21°C (71°F)	375 mm (14.8 inches)	73%	extreme
July Weather	21°C (70°F)	239 mm (9.4 inches)	76%	extreme
August Weather	21°C (70°F)	322 mm (12.7 inches)	80%	extreme
September Weather	21°C (70°F)	402 mm (15.8 inches)	84%	extreme
October Weather	20°C (68°F)	328 mm (12.9 inches)	89%	extreme
November Weather	18°C (64°F)	176 mm (6.9 inches)	88%	very high
December Weather	16°C (62°F)	72 mm (2.8 inches)	88%	very high