March Weather in Rialma, Brazil

Last updated: August 22, 2025

In Rialma, Brazil, the average temperature in March hovers around 25°C (77°F), offering a warm climate that's perfect for outdoor activities. However, temperatures can vary significantly, with a minimum of 17°C (62°F) and a maximum reaching up to 34°C (94°F). Be prepared for some rain as well, with an average precipitation of 133 mm (5.3 in) spread over 20 days. The humidity is also notable, averaging around 90%, adding a tropical touch to your stay.

March Temperature in Rialma

In March in Rialma, the average temperature is 25°C (77°F). Maximums can reach 34°C (94°F) and minimums can be as low as 17°C (62°F). This makes it an ideal time for travelers seeking warm weather and pleasant adventures.

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

The chart illustrates March temperature patterns in Rialma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rialma, March typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 17°C (62°F).

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

March Precipitation in Rialma

In Rialma in March, the precipitation amount is 133 mm (5.3 in) during a span of 20 days.

March Precipitation Trends in Rialma

The chart displays monthly precipitation patterns in Rialma, 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 Rialma, March typically receives around 133 mm (5.3 inches) of precipitation spread over approximately 20 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 Rialma

In Rialma in March humidity is 90%. With an average temperature of 25°C (77°F), this humidity feels like a warm, moist blanket enveloping you, making any outdoor travel feel stifling and heavy, often leading to a quick exhaustion as you navigate through the sultry air.

March Average Humidity in Rialma

This chart illustrates the average monthly humidity levels in Rialma, 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 Rialma is approximately 90%, 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 Rialma

In Rialma 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 Rialma, you can check here.

Maximum UV Index Levels in Rialma for March

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

Data source: Rialma 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 Rialma Compares to Other Months

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

This table compares monthly weather conditions in Rialma, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	130 mm (5.1 inches)	86%	extreme
February Weather	24°C (76°F)	184 mm (7.2 inches)	89%	extreme
March Weather	25°C (77°F)	133 mm (5.3 inches)	90%	extreme
April Weather	25°C (77°F)	66 mm (2.6 inches)	82%	extreme
May Weather	24°C (75°F)	9 mm (0.3 inches)	65%	extreme
June Weather	23°C (73°F)	0 mm (0.0 inches)	59%	very high
July Weather	22°C (72°F)	0 mm (0.0 inches)	53%	very high
August Weather	25°C (77°F)	0 mm (0.0 inches)	44%	extreme
September Weather	27°C (81°F)	4 mm (0.1 inches)	34%	extreme
October Weather	27°C (80°F)	88 mm (3.5 inches)	26%	extreme
November Weather	25°C (77°F)	166 mm (6.5 inches)	50%	extreme
December Weather	25°C (77°F)	234 mm (9.2 inches)	70%	extreme