May Weather in Guaiuba, Brazil

Last updated: August 22, 2025

In May, the average temperature in Guaiuba, Brazil reaches a pleasant 26°C (79°F). Expect a minimum of 21°C (71°F) and a maximum of 32°C (90°F), creating a warm atmosphere. However, with 120 mm (4.7 in) of precipitation spread over 19 days, you'll want to keep an umbrella handy. Additionally, stay cool with the average humidity at a high 88%.

May Temperature in Guaiuba

In May in Guaiuba, the average temperature is 26°C (79°F). Maximums can reach 32°C (90°F), while minimums can be as low as 21°C (71°F). It's a great time for travelers to enjoy warm weather and outdoor activities.

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

The chart illustrates May temperature patterns in Guaiuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guaiuba, May typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F) and lows dropping to around 21°C (71°F).

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

May Precipitation in Guaiuba

In Guaiuba in May, the precipitation amount is 120 mm (4.7 in) over the course of 19 days.

May Precipitation Trends in Guaiuba

The chart displays monthly precipitation patterns in Guaiuba, 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 Guaiuba, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 19 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 Guaiuba

In Guaiuba in May, humidity is 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

May Average Humidity in Guaiuba

This chart illustrates the average monthly humidity levels in Guaiuba, 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 Guaiuba is approximately 88%, 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 Guaiuba

In Guaiuba 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 Guaiuba.

Maximum UV Index Levels in Guaiuba for May

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

Data source: Guaiuba 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 Guaiuba Compares to Other Months

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

This table compares monthly weather conditions in Guaiuba, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	90 mm (3.5 inches)	89%	extreme
February Weather	26°C (80°F)	197 mm (7.8 inches)	90%	extreme
March Weather	26°C (79°F)	219 mm (8.6 inches)	92%	extreme
April Weather	26°C (79°F)	231 mm (9.1 inches)	91%	extreme
May Weather	26°C (79°F)	120 mm (4.7 inches)	88%	extreme
June Weather	26°C (79°F)	46 mm (1.8 inches)	78%	extreme
July Weather	26°C (79°F)	37 mm (1.5 inches)	66%	extreme
August Weather	27°C (81°F)	4 mm (0.2 inches)	60%	extreme
September Weather	27°C (81°F)	3 mm (0.1 inches)	56%	extreme
October Weather	27°C (82°F)	9 mm (0.4 inches)	54%	extreme
November Weather	28°C (82°F)	15 mm (0.6 inches)	56%	extreme
December Weather	28°C (82°F)	46 mm (1.8 inches)	69%	extreme