March Weather in Rosario, Uruguay

Last updated: August 28, 2025

In March, the average temperature in Rosario, Uruguay hovers around 21°C (70°F), offering a comfortable climate. Expect temperatures to range from a cool 8°C (47°F) to a warm 34°C (93°F). During this month, rainfall typically totals 95 mm (3.7 in) spread over 7 days, contributing to an average humidity level of 73%.

March Temperature in Rosario

In March in Rosario, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F), and minimums can be as low as 8°C (47°F). This climate makes Rosario an ideal destination for travelers seeking pleasant weather and a mix of warm and cooler days.

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 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (47°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 95 mm (3.7 in) over the course of 7 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 95 mm (3.7 inches) of precipitation spread over approximately 7 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 Rosario

In Rosario in March, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

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 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 Rosario

In Rosario 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 Rosario.

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 11, 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	24°C (76°F)	85 mm (3.4 inches)	63%	extreme
February Weather	23°C (73°F)	110 mm (4.3 inches)	69%	extreme
March Weather	21°C (70°F)	95 mm (3.7 inches)	73%	extreme
April Weather	18°C (65°F)	70 mm (2.8 inches)	79%	high
May Weather	14°C (58°F)	89 mm (3.5 inches)	82%	moderate
June Weather	12°C (54°F)	75 mm (3.0 inches)	80%	moderate
July Weather	11°C (52°F)	86 mm (3.4 inches)	72%	moderate
August Weather	12°C (54°F)	75 mm (3.0 inches)	72%	high
September Weather	14°C (58°F)	76 mm (3.0 inches)	76%	very high
October Weather	17°C (62°F)	91 mm (3.6 inches)	71%	very high
November Weather	20°C (69°F)	67 mm (2.6 inches)	68%	extreme
December Weather	23°C (73°F)	72 mm (2.8 inches)	65%	extreme