May Weather in Guaira, Brazil

Last updated: August 22, 2025

In May, the average temperature in Guaira, Brazil is a comfortable 22°C (73°F). However, be prepared for a temperature range that can dip to a cool 7°C (45°F) and soar up to a sizzling 33°C (91°F). Expect a bit of moisture in the air with an average precipitation of 23 mm (0.9 in) over 3 days, coupled with an average humidity of 68%.

May Temperature in Guaira

In May in Guaira, the average temperature is 22°C (73°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 7°C (45°F). It's a great time to explore Guaira with its pleasant temperatures, but be prepared for occasional heat and cooler evenings.

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

The chart illustrates May temperature patterns in Guaira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guaira, May typically has an average temperature of 22°C (73°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).

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

May Precipitation in Guaira

In Guaira in May, the precipitation amount is 23 mm (0.9 in) over the course of 3 days.

May Precipitation Trends in Guaira

The chart displays monthly precipitation patterns in Guaira, 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 Guaira, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 3 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 Guaira

In Guaira in May humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

May Average Humidity in Guaira

This chart illustrates the average monthly humidity levels in Guaira, 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 Guaira is approximately 68%, 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 Guaira

In Guaira 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 Guaira.

Maximum UV Index Levels in Guaira for May

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

Data source: Guaira 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 Guaira Compares to Other Months

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

This table compares monthly weather conditions in Guaira, 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 (79°F)	145 mm (5.7 inches)	85%	extreme
February Weather	26°C (79°F)	160 mm (6.3 inches)	87%	extreme
March Weather	26°C (79°F)	100 mm (3.9 inches)	86%	extreme
April Weather	25°C (77°F)	47 mm (1.9 inches)	79%	extreme
May Weather	22°C (73°F)	23 mm (0.9 inches)	68%	very high
June Weather	22°C (72°F)	2 mm (0.1 inches)	60%	high
July Weather	21°C (71°F)	4 mm (0.2 inches)	57%	very high
August Weather	24°C (75°F)	10 mm (0.4 inches)	48%	very high
September Weather	27°C (81°F)	20 mm (0.8 inches)	41%	extreme
October Weather	27°C (81°F)	82 mm (3.2 inches)	35%	extreme
November Weather	26°C (79°F)	164 mm (6.5 inches)	65%	extreme
December Weather	26°C (79°F)	172 mm (6.8 inches)	80%	extreme