May Weather in Barra do Pirai, Brazil

Last updated: August 22, 2025

In May, the average temperature in Barra do Pirai, Brazil is a pleasant 20°C (68°F). Expect the temperatures to vary, with a minimum of 7°C (45°F) and a maximum reaching 31°C (88°F). Be prepared for some rain, as the region sees 59 mm (2.3 in) of precipitation spread over 8 days. With an average humidity of 81%, it's the perfect time to enjoy the lush surroundings!

May Temperature in Barra do Pirai

In May in Barra do Pirai, the average temperature is 20°C (68°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 7°C (45°F). This makes it an ideal time to explore the sights while enjoying comfortable weather.

May Weather in Barra do Pirai: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Barra do Pirai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barra do Pirai, May typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (45°F).

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

May Precipitation in Barra do Pirai

In Barra do Pirai in May, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

May Precipitation Trends in Barra do Pirai

The chart displays monthly precipitation patterns in Barra do Pirai, 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 Barra do Pirai, May typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Barra do Pirai

In Barra do Pirai in May humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

May Average Humidity in Barra do Pirai

This chart illustrates the average monthly humidity levels in Barra do Pirai, 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 Barra do Pirai is approximately 81%, 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 Barra do Pirai

In Barra do Pirai in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Barra do Pirai.

Maximum UV Index Levels in Barra do Pirai for May

The chart shows the monthly maximum UV Index (UVI) for Barra do Pirai 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 Barra do Pirai typically reaches 8, which falls under the very high exposure category.

Data source: Barra do Pirai 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 Barra do Pirai Compares to Other Months

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

This table compares monthly weather conditions in Barra do Pirai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	201 mm (7.9 inches)	85%	extreme
February Weather	24°C (76°F)	243 mm (9.6 inches)	85%	extreme
March Weather	24°C (76°F)	177 mm (7.0 inches)	86%	extreme
April Weather	22°C (72°F)	76 mm (3.0 inches)	83%	extreme
May Weather	20°C (68°F)	59 mm (2.3 inches)	81%	very high
June Weather	20°C (68°F)	29 mm (1.1 inches)	80%	high
July Weather	18°C (65°F)	20 mm (0.8 inches)	76%	high
August Weather	19°C (66°F)	48 mm (1.9 inches)	73%	very high
September Weather	22°C (72°F)	52 mm (2.0 inches)	68%	extreme
October Weather	22°C (73°F)	117 mm (4.6 inches)	61%	extreme
November Weather	22°C (72°F)	205 mm (8.1 inches)	72%	extreme
December Weather	24°C (75°F)	228 mm (9.0 inches)	75%	extreme