March Weather in Rosario, Mexico

Last updated: August 26, 2025

In March, the average temperature in Rosario, Mexico hovers around 22°C (72°F). Expect a range that sees lows of 12°C (54°F) and highs reaching 34°C (93°F). During this time, the region experiences approximately 27 mm (1.0 in) of precipitation over about 5 days. With an average humidity of 66%, you'll likely find the air pleasantly warm, albeit a bit damp.

March Temperature in Rosario

In March in Rosario, the average temperature is 22°C (72°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 12°C (54°F). This pleasant climate makes it an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates March temperature patterns in Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario, March typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).

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

March Precipitation in Rosario

In Rosario in March, the precipitation amount is 27 mm (1.0 in) over a span of 5 days.

March Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, 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 Rosario, March typically receives around 27 mm (1.0 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Rosario

In Rosario in March, humidity is 66%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, enveloping blanket, making it essential to stay hydrated while exploring the sights and taking regular breaks in shaded areas.

March Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, 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 Rosario is approximately 66%, 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 Rosario

In Rosario in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Rosario, you can check here.

Maximum UV Index Levels in Rosario for March

The chart shows the monthly maximum UV Index (UVI) for Rosario 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 Rosario typically reaches 14, which falls under the extreme exposure category.

Data source: Rosario 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 Rosario Compares to Other Months

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

This table compares monthly weather conditions in Rosario, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	38 mm (1.5 inches)	83%	very high
February Weather	21°C (70°F)	24 mm (0.9 inches)	76%	extreme
March Weather	22°C (72°F)	27 mm (1.0 inches)	66%	extreme
April Weather	24°C (76°F)	34 mm (1.4 inches)	59%	extreme
May Weather	25°C (78°F)	91 mm (3.6 inches)	64%	extreme
June Weather	24°C (76°F)	229 mm (9.0 inches)	69%	extreme
July Weather	24°C (75°F)	124 mm (4.9 inches)	82%	extreme
August Weather	24°C (75°F)	157 mm (6.2 inches)	87%	extreme
September Weather	24°C (75°F)	212 mm (8.4 inches)	87%	extreme
October Weather	23°C (73°F)	203 mm (8.0 inches)	88%	extreme
November Weather	21°C (70°F)	71 mm (2.8 inches)	88%	very high
December Weather	20°C (68°F)	45 mm (1.8 inches)	88%	very high