May Weather in Mariana, Brazil

Last updated: August 22, 2025

In May, the average temperature in Mariana, Brazil is a pleasant 18°C (64°F), with a minimum dipping to 4°C (40°F) and a maximum reaching 28°C (82°F). Visitors can expect about 53 mm (2.1 in) of precipitation spread over 7 days, with an average humidity of 82%—perfect for those who enjoy a lush, vibrant atmosphere!

May Temperature in Mariana

In May in Mariana, the average temperature is 18°C (64°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop to as low as 4°C (40°F). Overall, this makes Mariana a great destination for travelers seeking mild weather during this time of year.

May Weather in Mariana: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mariana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mariana, May typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (82°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Mariana

In Mariana in May, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

May Precipitation Trends in Mariana

The chart displays monthly precipitation patterns in Mariana, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mariana, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Mariana

In Mariana in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in Mariana

This chart illustrates the average monthly humidity levels in Mariana, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mariana is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mariana

In Mariana in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Mariana.

Maximum UV Index Levels in Mariana for May

The chart shows the monthly maximum UV Index (UVI) for Mariana in May, 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 May, the maximum UV index in Mariana typically reaches 9, which falls under the very high exposure category.

Data source: Mariana May 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 May Weather in Mariana Compares to Other Months

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

This table compares monthly weather conditions in Mariana, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	193 mm (7.6 inches)	83%	extreme
February Weather	22°C (71°F)	281 mm (11.1 inches)	85%	extreme
March Weather	22°C (71°F)	190 mm (7.5 inches)	87%	extreme
April Weather	20°C (68°F)	80 mm (3.1 inches)	86%	extreme
May Weather	18°C (64°F)	53 mm (2.1 inches)	82%	very high
June Weather	17°C (63°F)	15 mm (0.6 inches)	82%	high
July Weather	16°C (61°F)	7 mm (0.3 inches)	77%	very high
August Weather	17°C (62°F)	35 mm (1.4 inches)	72%	extreme
September Weather	20°C (68°F)	55 mm (2.1 inches)	63%	extreme
October Weather	21°C (69°F)	192 mm (7.6 inches)	48%	extreme
November Weather	20°C (69°F)	256 mm (10.1 inches)	61%	extreme
December Weather	21°C (71°F)	277 mm (10.9 inches)	68%	extreme