May Weather in Fonte Boa, Brazil

Last updated: August 22, 2025

In May, the average temperature in Fonte Boa, Brazil is a warm 26°C (79°F), with daily highs reaching up to 33°C (91°F) and lows dipping to 22°C (71°F). Expect considerable rainfall, with an average precipitation of 421 mm (16.6 in) over the course of the month, coupled with a notable humidity level of 90%.

May Temperature in Fonte Boa

In May in Fonte Boa, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 22°C (71°F). This pleasant warm weather makes it an ideal time for travelers to explore the area and enjoy outdoor activities.

May Weather in Fonte Boa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fonte Boa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fonte Boa, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 22°C (71°F).

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

May Precipitation in Fonte Boa

In Fonte Boa in May, the total precipitation amount is 421 mm (16.6 in) over the course of 30 days.

May Precipitation Trends in Fonte Boa

The chart displays monthly precipitation patterns in Fonte Boa, 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 Fonte Boa, May typically receives around 421 mm (16.6 inches) of precipitation spread over approximately 30 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 Fonte Boa

In Fonte Boa in May, humidity is 90%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sticky and draining, while every step requires extra effort in the sweltering embrace of the moist air.

May Average Humidity in Fonte Boa

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

In Fonte Boa in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Fonte Boa.

Maximum UV Index Levels in Fonte Boa for May

The chart shows the monthly maximum UV Index (UVI) for Fonte Boa 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 Fonte Boa typically reaches 13, which falls under the extreme exposure category.

Data source: Fonte Boa 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 Fonte Boa Compares to Other Months

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

This table compares monthly weather conditions in Fonte Boa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	246 mm (9.7 inches)	84%	extreme
February Weather	27°C (80°F)	260 mm (10.3 inches)	73%	extreme
March Weather	27°C (80°F)	287 mm (11.3 inches)	77%	extreme
April Weather	26°C (80°F)	369 mm (14.5 inches)	85%	extreme
May Weather	26°C (79°F)	421 mm (16.6 inches)	90%	extreme
June Weather	26°C (79°F)	250 mm (9.9 inches)	84%	extreme
July Weather	26°C (79°F)	147 mm (5.8 inches)	74%	extreme
August Weather	27°C (80°F)	122 mm (4.8 inches)	54%	extreme
September Weather	27°C (81°F)	146 mm (5.7 inches)	39%	extreme
October Weather	27°C (81°F)	182 mm (7.2 inches)	36%	extreme
November Weather	27°C (81°F)	251 mm (9.9 inches)	58%	extreme
December Weather	26°C (80°F)	337 mm (13.3 inches)	87%	extreme